Subscribe | UPI Odd Newsletter Subscribe LONDON, June 11 (UPI) -- The makers of the popular "Angry Birds" cellphone game announced in London they will be publishing a book of egg recipes. Peter Vesterbacka, head of marketing and business development for game developer Rovio, said at the Open Mobile Summit in London the company will self-publish the cookbook in both book and iPhone app form, Mashable.com reported Friday. Advertisement Vesterbacka said the book will likely be available through Amazon, Barnes & Noble and Apple. Read More 'Angry Birds' hits 50 million downloads