Under Construction (many apps exist like iAuthor to build your own now, more to follow)

• iAuthor http://www.apple.com/ibooks-author/

Scanning in Text for Use:
• Kurzweil 1000 by Kurzweil : http://www.kurzweiledu.com
• OpenBook by Freedom Scientific: http://www.freedomscientific.com/fs_products/software_open.asp

• Scan and Listen by BrightEye: http://www.brighteye.com/products.htm

• SARA: http://www.freedomscientific.com/fs_products/scanners_SARA.asp