iBooks Author Help:
<http://help.apple.com/ibooksauthor/mac/1.0/>
iBooks Author Support:
<http://www.apple.com/support/ibooksauthor/>
iBooks Author: Publishing and distribution FAQ
<http://support.apple.com/kb/HT5071>
Summary: Find the answers to common questions about distributing and selling books you have created with iBooks Author.
iBooks Author: How to make your iBooks accessible
<http://support.apple.com/kb/HT5073>
Summary: When you create books in iBooks Author, use these guidelines to make your books accessible to the visually-impaired.
iBooks Author: Add video to your iBooks
<http://support.apple.com/kb/HT5065>
Summary: Learn tips about working with video and audio in iBooks Author, supported formats, and notes on video encryption.
iBooks Author: Use iPad-safe fonts when authoring books
<http://support.apple.com/kb/HT5072>
Summary: When you create a book with iBooks Author, be sure to use iPad-safe fonts for a consistent user experience.
iBooks Author: Best practices for using 3D models
<http://support.apple.com/kb/HT5093>
Summary: With iBooks Author you can add COLLADA (.DAE) files using the 3D widget; learn the best practices for creating these files for use with iBooks Author.