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
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You can save your ebook as an Adobe Acrobat PDF file, but the PDF ebook won't preserve all your media. For instance, video files will not play from a PDF read in iBooks. Instead the user will see an image placeholder.