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the open-content textbooks collection that anyone can edit.
The United States History book covers US history from the pre-Columbian era to the present day.
Biology is about all living things, like animals, trees, and other plants.
Rhubarb Pie is fairly sweet but is also quite tangy since rhubarb is its main ingredient. It is best served warm with a scoop of vanilla ice cream.
The Games shelf contains books on games, and includes the subsection shelves athletic games, board games, card games, electronic games, and game design.
Wikibooks is hosted by the Wikimedia Foundation, which also hosts:

Wikiversity
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Species directory

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Knowledge database

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games 6
games 6
HOME 1
languages 4
Note 1
OOP 1
os 6
server 1
text 1