Wikipedia: The Missing Manual is a popular how-to book on Wikipedia that has all the information you need to get started with editing pages on Wikipedia. Wikipedia may be the biggest group writing project ever, but the one thing you won't find in the comprehensive online encyclopedia is easy-to-follow guidance on how to contribute. Wikipedia: The Missing Manual helps you avoid beginners' blunders and gets you sounding like a pro from your first edit. It also gives you advise on creating articles, and working with the Wikipedia community to review new articles, mediate disputes, and maintain the site.
The book sells for $29.99 on Amazon but the publishers have uploaded the entire book to Wikipedia website under the GNU license. You can read the book for free, even lets you copy, translate and distribute the book in any format provided the derivative work is also free.
And like all the other pages on Wikipedia, this new "Wikipedia: The Missing Manual" Wikipedia section is open for public editing.
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