Books, says Penguin's Mr Makinson, are different from music.

ECONOMIST: Electronic-book readers

Penguin said they believed Mr Oswald's creation, Inspector McLean, was destined to become the next major fictional Detective Inspector.

BBC: James Oswald

Mr Lay said it was possible the penguin had been eaten, but that this was doubtful.

BBC: Concern mounts for 'missing' penguin Happy Feet

During his time at the penguin rookery in the Antarctic, Mr Malkonen became increasingly fascinated with the activities of the 100, 000 or so chinstrap penguins.

BBC: Wildlife photographer competition entries decided

Mr Irving is suing over Prof Deborah Lipstadt and Penguin Books over the 1994 book, Denying The Holocaust: The Growing Assault On Truth And Memory, which he says has generated "waves of hatred" against him.

BBC: Gas chambers did not exist - historian

Mr Watt added that a beer such as Tactical Nuclear Penguin should be drunk in "spirit sized measures".

BBC: 'World's strongest' beer with 32% strength launched

Last week at Penguin's downtown Manhattan offices, members of Penguin's digital development team met with Mr. Schrank and Mr. Corral to show them the latest product.

WSJ: Enhanced E-Books: Blowing Up the Book

"For penguins, it is particularly important, because there are predictions that we might lose emperor-penguin colonies due to changing environmental conditions, " Mr. Fretwell said.

WSJ: Emperor Penguins Aplenty in Antarctica