The eBook format you choose must be compatible with your computer, handheld device, or eReader operating system, and the reader software you use.

Reader Apps Compatible with iPhone®, iPad®, and iPod®touch

Stanza App - Is a free app compatible with iPhone®, iPad®, and iPod®touch that supports DRM free eBooks and requires iPhone OS 4.0 or later. These devices will automatically launch Stanza for direct download when ePUB or PDF books are purchased from our eStore.The app is designed to read ePUB format books. Stanza 3.0.3 will also read eBook PDF files, but PDFs are not optimized for small screens, so the reading experience on handhelds may be inferior to the experience with ePUB.

iBooks App - Is a free app compatible with iPhone®, iPad®, and iPod®touch that supports DRM free PDF and ePub formats. Some PDF documents may not be compatible.

Bluefire Reader App - Is a free app compatible with iPhone®, iPad®, and iPod®touch that supports DRM free and Adobe eBook DRM protected PDF and ePub formats.

Reader Apps Compatible with Android

Aldiko - Is a free app compatible with the Android that supports DRM free and Adobe eBook DRM protected PDF and ePub formats.

Some Computer and Handheld Based Readers By Format

PDF - Is readable offline on computers and handheld devices using Adobe Reader (download for free). PDF can also be read by many web browsers with Adobe add-ins.

ePUB and PDF - Are readable on computers and handheld devices using Adobe Digital Editions (download for free).

ePUB can also be read on several mobile reading devices (Sony Reader, B&N Nook), and using the Mozilla Firefox browser add-in ePUB reader.

Offline content may also be read using any eReader compatible device, see our eReader Hardware Guide.

Suggested applications are not necessarily endorsed by RUP.