TumbleBookLibrary is an online collection of TumbleBooks – animated, talking picture books which teach kids the joy of reading in a format they'll love. TumbleBooks are created by adding animation, sound, music and narration to existing picture books in order to produce an electronic picture book which you can read, or have read to you.
 

TumbleReadables is an online collection of read-along titles for elementary, middle school, and high school students which features adjustable online text and complete audio narration. Sentences are highlighted as they are being read and the pages turn automatically. The collection features chapter books, early readers, YA/Teen Novels, high interest/low level books for both middle school and high school students, plus classics of American and English literature.