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the open-content non-fiction books collection that anyone can edit.
3,362 books with 97,555 pages ... and counting
 
 
 
 
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Freshly Started Books

 

Freshly Started Modules

 

Picture of the Day

 

Founded on 10 July 2003, Wikibooks is a Wikimedia project for collaboratively writing open-content textbooks that anyone, including you, can edit right now by clicking on the edit link that appears near the top of each Wikibooks page. Wikibooks has two sub-projects: Wikijunior, which is aimed at children, and the Cookbook, which is our collection of recipes and culinary topics.

Contributors maintain the property rights to their contributions, while the Creative Commons Attribution-ShareAlike License and the GNU Free Documentation License makes sure that the submitted version and its derivative works will always remain freely distributable and reproducible. See Wikibooks:Copyrights for more information.
 

任何人都可以修改维基百科上的内容,但是请遵守我们的方针和指引

无论是创建新条目,还是编辑现有条目,或者为条目增加一幅插图,您都可以为维基百科作出贡献。

 

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the open-content textbooks collection that anyone can edit.
Haskell is a lazy functional programming language with a state of the art type system. This tutorial aims to be friendly enough for new programmers, yet deep enough to challenge the most experienced.
Outer space is the final frontier for humans. Even though the rest of the solar system objects may seem like tiny dots from Earth, our celestial neighbors are still important to learn about, because they aren't really just dots. Solar System presents this material in a manner inviting to young astronomers everywhere.


A Hamburger (or, less frequently, a hamburg) is a variant on a sandwich involving a patty of ground meat, usually beef (known in the United Kingdom as a beefburger), or a vegetarian patty.
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