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Agatha Christie’s seasonal mystery thriller, reissued with a striking new cover designed to appeal to the latest generation of Agatha Christie fans and book lovers. It is Christmas Eve. The Lee family reunion is shattered by a deafening crash of furniture, followed by a high-pitched wailing scream. Upstairs, the tyrannical Simeon Lee lies dead in a pool of blood, his throat slashed. But when Hercule Poirot, who is staying in the village with a friend for Christmas, offers to assist, he finds an atmosphere not of mourning but of mutual suspicion. It seems everyone had their own reason to hate the old man…

《诗翁彼豆故事集》几个世纪以来一直是巫师家庭中受欢迎的床边故事。这些经典的故事充满了魔法和诡计，并且寓教于乐；时至今日，小巫师们仍然沉迷于这些故事，就像十五世纪彼豆刚刚用羽毛笔在羊皮纸上写下这些故事时一样。书中共有五个故事：哈迷在《哈利·波特与死亡圣器》中见过的《三兄弟的传说》，还有《好运泉》《男巫的毛心脏》《巫师和跳跳埚》和《兔子巴比蒂和她的呱呱树桩》。这些叙事佳作还伴有阿不思·邓布利多教授的点评(由霍格沃茨档案馆友情提供)，他那富有启发性的见解让人看到，这些故事远远不只是道德寓言而已；并且，他让兔子巴比蒂和吐鼻涕虫的跳跳埚在麻瓜世界中变得和白雪公主和灰姑娘一样有名。魔法世界受欢迎的寓言故事新版上市，采用J.K.罗琳的原创文本，配上约翰尼·达德尔绘制的华丽封面，以及托米斯拉夫·托米奇的插图。本电子书一切收益归“荧光闪烁”基金会所有。“荧光闪烁”基金会是英国的注册慈善组织，注册号是1112575。“荧光闪烁”致力于结束儿童的孤儿院寄养，全世界有多达八百万弱势儿童寄居在孤儿院，这对他们其实有不良影响。这些儿童多很多并非孤儿，只是出身贫穷、先天残疾、患有疾病、少数族裔或生在一个有矛盾的家庭中。“荧光闪烁”的目标是将儿童和他们的家庭重新联结起来，倡导家庭形式的帮助方案，并帮助有能力的机构进行环境的改善，关闭孤儿院。

《西线无战事》讲述了一战期间，保罗等青年受煽动参军，在残酷战争中逐渐觉醒，*终保罗阵亡的故事，极具反战色彩。

本书作为我社“*经典英语文库”第14辑中的一种，精选由法国著名作家儒勒·凡尔纳的经典作品《神秘岛》。作品讲述了在美国南北战争时期，几个被困在南军中的北方人，中途被风暴吹落在太平洋中的一个荒岛上，他们团结互助，建立起幸福生活，直至回到美国又重新始他们在岛上建立的事业的故事。

·伍尔芙的*部长篇小说·对女性的成长和两性关系行了初次探讨·揭示了女主人公自我意识不断觉醒的过程

Over 140 practical recipes to help you make sense of your data with ease and build production-ready data apps About This Book Analyze Big Data sets, create attractive visualizations, and manipulate and process various data types Packed with rich recipes to help you learn and explore amazing algorithms for statistics and machine learning Authored by Ivan Idris, expert in python programming and proud author of eight highly reviewed books Who This Book Is For This book teaches Python data analysis at an intermediate level with the goal of transforming you from journeyman to master. Basic Python and data analysis skills and affinity are assumed. What You Will Learn Set up reproducible data analysis Clean and transform data Apply advanced statistical analysis Create attractive data visualizations Web scrape and work with databases, Hadoop, and Spark Analyze images and time series data Mine text and analyze social networks Use machine learning and evaluate the results Take advantage of parallelism and concurrency In Detail Data analysis is a rapidly evolving field and Python is a multi-paradigm programming language suitable for object-oriented application development and functional design patterns. As Python offers a range of tools and libraries for all purposes, it has slowly evolved as the primary language for data science, including topics on: data analysis, visualization, and machine learning. Python Data Analysis Cookbook focuses on reproducibility and creating production-ready systems. You will start with recipes that set the foundation for data analysis with libraries such as matplotlib, NumPy, and pandas. You will learn to create visualizations by choosing color maps and palettes then dive into statistical data analysis using distribution algorithms and correlations. You’ll then help you find your way around different data and numerical problems, get to grips with Spark and HDFS, and then set up migration *s for web mining. In this book, you will dive deeper into recipes on spectral analysis, smoothing, and bootstrapping methods. Moving on, you will learn to rank stocks and check market efficiency, then work with metrics and clusters. You will achieve parallelism to improve system performance by using multiple threads and speeding up your code. By the end of the book, you will be capable of handling various data analysis techniques in Python and devising solutions for problem scenarios. Style and Approach The book is written in “cookbook” style striving for high realism in data analysis. Through the recipe-based format, you can read each recipe separately as required and immediately apply the knowledge gained.

A fascinating exploration of the contents of Agatha Christie's seventy-three private notebooks, including illustrations and two unpublished Poirot stories When Agatha Christie died in 1976, at age eighty-five, she had become the world's most popular author. With sales of more than two billion copies worldwide, in more than one hundred countries, she had achieved the impossible more than one book every year since the 1920s, every one a bestseller.So prolific was Agatha Christie's output sixty-six crime novels, twenty plays, six romance novels under a pseudonym and more than one hundred and fifty short stories it was often claimed that she had a photographic memory. Was this trueOr did she resort over those fifty-five years to more mundane methods of working out her ingenious crimesFollowing the death of Agatha's daughter, Rosalind, at the end of 2004, a remarkable legacy was revealed. Unearthed among her affairs at the family home of Greenway were Agatha Christie's private notebooks, seventy-three handwritten volumes of notes, lists and drafts outlining all her plans for her many books, plays and stories. Buried in this treasure trove, all in her unmistakable handwriting, are revelations about her famous books that will fascinate anyone who has ever read or watched an Agatha Christie story.How did the infamous twist in The Murder of Roger Ackroyd really come aboutWhich very famous Poirot novel started life as an adventure for Miss MarpleWhich books were designed to have completely differ-ent endings, and what were theyWhat were the plot ideas that she considered but rejected?Full of details she was too modest to reveal in her own autobiography, this remarkable new book includes a wealth of excerpts and pages reproduced directly from the notebooks and her letters, plus, for the first time, two newly discovered complete Hercule Poirot short stories never before published.

This is an essential book for everyone who wants to write clearly about any subject and use writing as a means of learning.

The Last Days of Krypton is the epic story of the destruction of the planet Krypton, an explosive event that sent Superman and his legacy to earth. Written by award-winning science fiction writer Kevin J. Anderson, author of the international bestselling Dune prequels, The Last Days of Krypton tells of the marriage of Superman's parents, their struggle to save their planet, and the menace of General Zod, future arch-enemy of Superman. It's the story science fiction and Superman fans have been waiting for!

The book requires no prior knowledge of JavaScript and works from the ground up to give you a thorough grounding in this powerful language. If you do already know some JavaScript, you will find plenty of eye-openers as you discover just what the language can do. This book takes a do-it-yourself approach when it comes to writing code, because the best way to really learn a programming language is by writing code. You are encouraged to type code into Firebug's console, see how it works and then tweak it and play around with it. There are practice questions at the end of each chapter to help review what you have learned.

The examples in this book follow a sample project creating a digital newspaper website to meet the requirements of a fictional customer who wants to place commercial advertisements all over the site. The whole book is a comprehensive collection of recipes that elaborate a series of well known use cases. You will find an organized step-by-step procedure to accomplish each task followed by detailed explanations to better understand how and why each topic was undertaken, and many links to online references and other related sections in the book that can supplement the subject in question. You can read the whole book or just pick the recipes that are relevant for you; where necessary, cross references will help you understand the recipes even if you do not read them in sequential order. This book is for programmers who have some knowledge of Python, Plone, and Zope. If you want to develop feature-rich add-on products in Plone, this book is for you. It is aimed at the development of backend features, so you need not have other web-related skills such as HTML, CSS, or JavaScript.

Written in cookbook style, this book offers many recipes to create objects, import and export data, create 3D solid objects. Each recipe contains step-by-step instructions followed by analysis of what was done in each task and other useful information. If you've been toying around with FreeCAD and want to have more control over your work flow then this book is for you. The reader needs to have basic knowledge of modeling.

This book follows a standard tutorial approach with approximately 750 code samples spread through the 19 chapters. This amounts to over 5,900 lines of code that illustrate each concept. This book is aimed at programmers who have already learned the basics of objectoriented Python and need to write more sophisticated, flexible code that integrates seamlessly with the rest of Python. This book assumes a computer science background, with experience of common Python design patterns.

Build mesmerizing visualizations, analytics, and logs from your data using Elasticsearch, Logstash, and Kibana About This Book Solve all your data analytics problems with the ELK stack Explore the power of Kibana4 search and visualizations built over Elasticsearch queries and learn about the features and plugins of Logstash Develop a complete data pipeline using the ELK stack Who This Book Is For If you are a developer or DevOps engineer interested in building a system that provides amazing insights and business metrics out of data sources, of various formats and types, using the open source technology stack that ELK provides, then this book is for you. Basic knowledge of Unix or any programming language will be helpful to make the most out of this book. What You Will Learn Install, configure, and run Elasticsearch, Logstash, and Kibana Understand the need for log analytics and the current challenges in log analysis Build your own data pipeline using the ELK stack Familiarize yourself with the key features of Logstash and the variety of input, filter, and output plugins it provides Build your own custom Logstash plugin Create actionable insights using charts, histograms, and quick search features in Kibana4 Understand the role of Elasticsearch in the ELK stack In Detail The ELK stack—Elasticsearch, Logstash, and Kibana, is a powerful combination of open source tools. Elasticsearch is for deep search and data analytics. Logstash is for centralized logging, log enrichment, and parsing. Kibana is for powerful and beautiful data visualizations. In short, the Elasticsearch ELK stack makes searching and analyzing data easier than ever before. This book will introduce you to the ELK (Elasticsearch, Logstash, and Kibana) stack, starting by showing you how to set up the stack by installing the tools, and basic configuration. You’ll move on to building a basic data pipeline using the ELK stack. Next, you’ll explore the key features of Logstash and its role in the ELK stack, including creating Logstash plugins, which will enable you to use your own customized plugins. The importance of Elasticsearch and Kibana in the ELK stack is also covered, along with various types of advanced data analysis, and a variety of charts, tables ,and maps. Finally, by the end of the book you will be able to develop full-fledged data pipeline using the ELK stack and have a solid understanding of the role of each of the components. Style and approach This book is a step-by-step guide, complete with various examples to solve your data analytics problems by using the ELK stack to explore and visualize data.

After the sharp-eyed jay and the roaring lion, peace will come. . . . Four warrior Clans have shared the land around the lake as equals for many moons. But a prophecy foretells that three ThunderClan cats will hold the power of the stars in their paws. Jayfeather and Lionblaze know that they are two of the cats in the prophecy. Now the brothers must wait for a sign from StarClan to discover the identity of the third cat. Meanwhile, Dovekit and Ivykit kin of the great leader Firestar are poised to become ThunderClan apprentices. Soon one sister will have an ominous dream and will begin to realize that she possesses mystical skills unmatched by any other cat. In the midst of a cruel season that threatens the lives of all four warrior Clans, bonds will be forged, promises made, and three young cats will start to unravel the secrets that bind them together.

Something weird is going on! It's Thanksgiving! A.J. is thankful for four days off from school. But he's not thankful for Dr. Carbles, who is grumpier than ever. Dr. Carbles even fires Mr. Klutz! Will A.J. and his friends be able to save their principal's job?

The time has come for three kits of ThunderClan Hollypaw, Jaypaw, and Lionpaw to become apprentices. Grandchildren of the great leader Firestar, all three possess unusual power and talent. But dark secrets surround them, and a mysterious prophecy hints at trouble to come. The warrior code is in danger of being washed away by a river of blood, and all the young cats' strength will be needed if the Clans are to survive.

The return of a long lost Clan . . . Many moons ago, five warrior Clans shared the forest in peace. But as Twolegs encroached on the cats' territories, the warriors of SkyClan were forced to abandon their home and try to forge a new life far away. Eventually, the Clan disbanded forgotten by all until Firestar was sent on a quest to reunite its descendants and return SkyClan to its former glory. Now, with Leafstar in place as leader, SkyClan is thriving. Leafstar is desperate to believe that her Clan will survive where the ancient SkyClan cats failed. But threats continue to plague the Clan, and as dissent grows from within, Leafstar must face the one question she dreads: Is SkyClan meant to survive?

Dear Reader, I'm sorry to say that the book you are holding in your hands is extremely unpleasant. It tells an unhappy tale about three very unlucky children. Even though they are charming and clever, the Baudelaire siblings lead lives filled with misery and woe. From the very first page of this book when the children are at the beach and receive terrible news, continuing on through the entire story, disaster lurks at their heels. One might say they are magnets for misfortune. In this short book alone, the three youngsters encounter a greedy and repulsive villain, itchy clothing, a disastrous fire, a plot to steal their fortune, and cold porridge for breakfast. It is my sad duty to write down these unpleasant tales, but there is nothing stopping you from putting this book down at once and reading something happy, if you prefer that sort of thing. With all due respect, Lemony Snicket

A perilous promise Two healthy kits have just been born in RiverClan Oakkit and Stormkit. The whole Clan rejoices, and no cat is more pleased than their mother, who immediately recognizes her kits’ innate skill and bravery. But when tragedy befalls Stormkit and he is permanently disfigured, his mother renames him Crookedkit and casts him aside. As the young cat grows in strength, he dreams of becoming Clan leader. Then a mysterious cat appears in his dreams, whispering of prophecies untold and destinies undiscovered. She proclaims that Crookedkit will have all that he desires but he must pledge his undying loyalty to RiverClan. No cat could ever have imagined the terror and destruction that would lie in one hastily made, seemingly harmless, promise.