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Welcome to Wikijunior!

The aim of this project is to produce age-appropriate non-fiction books for children from birth to age 12. These books are richly illustrated with photographs, diagrams, sketches, and original drawings. Wikijunior books are produced by a worldwide community of writers, teachers, students, and young people all working together. The books present factual information that is verifiable. You are invited to join in and write, edit, and rewrite each book and chapter to improve its content. Our books are distributed free of charge under the terms of the Creative Commons Attribution-ShareAlike License.

Please see What is Wikijunior? for more information about the project.

Search Wikijunior:


There are more than a dozen Wikijunior books and hundreds of sections within those books being readied for publication.

Discovery and innovation

The ElementsFun Science ExperimentsHow Things Work

The natural world

Big CatsBiologyBugsDinosaursHuman BodySolar System

Our world of people

Ancient CivilizationsKings and Queens of EnglandLanguagesUnited States Charters of FreedomWorld War IIWorld at Work


EuropeSouth AmericaWorld Heritage SitesAsia

School time

Geometry for Elementary School


AlphabetAnimal AlphabetObject AlphabetClassic Alphabet Coloring BookColorsFlower AlphabetFood AlphabetMaze & Drawing BookNumbers from 1 to 20Small NumbersSkateboard Alphabet Coloring PagesTell Time Clock Coloring BookTransport AlphabetValentines Hearts Alphabet Coloring Book

Additional Wikijunior books are under development.

All for KIDS

Wikijunior has some great books for you to read. But you can also help by writing books! If you know something about a subject and want to share it with others, just click on the link that says "edit" and type in what you want to say. It's that easy!

Helping out

It's easy to get started. Just click on an edit button and begin writing! We encourage you to be bold and edit articles.

If you want ideas on what to do, you can consider:

  • Look through our full collection of books and add content where you can.
  • Start a class project to write a new book or contribute to an existing, developing one.
  • Tell us how we're doing on the talk page.
  • Fact-check a page.
  • Check articles for grammar, style, and spelling.
  • Monitor the recent changes to Wikijunior pages.

There's a Wikijunior Style Guide with suggestions for how to write great Wikijunior content.


You can discuss the project at the Wikijunior talk page or one of the Wikibooks reading rooms to get a broader audience.

To chat about Wikijunior on IRC, use Freenode or join #wikibooks on Freenode.

Improve These Wikijunior Pages

How Things Work: Binary Numbers
Think that 1+1=10? Then this is the book for you!

Europe: Kosovo
Have you lived in, served in, or visited Kosovo? Why not help write this page?

The Elements: Magnesium
Help us write this page for kids interested in the elements!

Big Cats: Cheetah
The fastest animal on the planet!

Help us create these Wikijunior pages