Apple's free iBooks Author is an easy way to get started in electronic textbook publishing. Just know there's a middleman standing between you and your adoring public: Apple. Read more about Apple's tricky software license agreement, which as InformationWeek
's Thomas Claburn points out, puts severe restrictions on authors' rights.
BYTE's Chris Spera has his own opinion about Apple's moves in the textbook market.
Imported documents are placed in their own new chapter section and are appended to your existing iBooks Author template.