Founded on 10 July 2003, Wikibooks is a Wikimedia project for collaboratively writing open-contenttextbooks 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.
Special Relativity is an introductory text for physics undergraduates and advanced high school students. It is also approachable by the educated layman. It is carefully designed to tackle the physics of simultaneity.
Outer space is the final frontier for man. 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.
Paella de Marisco (seafood paella) is the world's most popular paella recipe. It emerged in its modern version in Spain's Valencian region in the early 1800s. Prior to the 19th century, the ingredients for seafood paella varied greatly with the most unusual being eel.