 At the time of launch, the service was partnered with 100 independent booksellers, while the number of publishers was 5,000.This increased to 250 independent booksellers and 7,000 publishers in May 2011, along with three million free Google eBooks available in the United States, up from two million at launch.The service was codenamed Google Editions, the name under which it was widely assumed that the service would be launched.