TumbleBooks, a world leader in online children’s book databases, will make its family of online libraries available for free to all public libraries until August 31.
Its flagship product, TumbleBooklibrary  is a collection of animated talking picture books, read-alongs, ebooks, quizzes, lesson plans, and educational games which is used by thousands of schools and public libraries in over 100 countries across the world.

TumbleBookLibrary – K-6 children’s ebook database
TumbleMath – K-6 math ebook database
TeenBookCloud – Grade 7-12 ebook database
AudioBookCloud – all ages audio book database
RomanceBookCloud – a huge collection of steamy Romance novels for the older crowd!