The Resurrection Catholic School will use the Rocket eBook, developed by Mountain View Calif.

CNN: Dayton electronic book classroom pilot to begin Sept. 1

By contrast, the Rocket EBook is about the size of a paperback and weighs only 20 ounces.

CNN: Are digital books good enough to curl up with?

The SoftBook is also much larger than the Rocket EBook: About the size of an inch-thick stack of letter paper, it weighs a hefty 3 pounds.

CNN: Are digital books good enough to curl up with?

Buying for NuvoMedia's Rocket EBook is equally easy.

CNN: Are digital books good enough to curl up with?

Once loaded with text, both the SoftBook and the Rocket EBook act as single-screen tablets that let you use simple buttons and a stylus to select titles, "turn" pages, search and highlight text, and make notes.

CNN: Are digital books good enough to curl up with?