Damn smart move from Collca, but then that Mike Hyman is a smart man! Best of luck to him and Collca:

Diversifying its electronic publishing business from just Apple iOS apps, Collca has just launched its first e-book series called In the Footsteps of…. with three initial titles. This series of bitesize e-books covers favourite authors and people from history or fiction.

via Taking aim at e-books with a brand-new series « News from the Mill.