Are Enhanced eBooks Actually Readable?

10/20/2010 12:44 pm ET | Updated May 25, 2011

The idea is that you can "read, watch, and listen to an e-book at the the same time," in the parlance of Penguin's marketing materials in support of their "amplified" e-books, which have included classics and backlist bestsellers, such as Ken Follett's "The Pillars of the Earth."