Peter Vesterbacka

Rovio, whose “Angry Birds” app has been downloaded over 1 billion times, announced its first book app, a $0.99 iPad cookbook called “Bad Piggies’ Best Egg Recipes,” at the Frankfurt Book Fair Thursday. “We’re looking for millions of downloads,” CMO Peter Vesterbacka said.

Rovio Entertainment, the Finnish company whose “Angry Birds” app has now been downloaded over 1 billion times, announced its first book app, an iPad cookbook app called “Bad Piggies’ Best Egg Recipes,” at the Frankfurt Book Fair on Thursday afternoon.