There are titles in 4 levels in this series (there are 2 more higher series - 12 levels of readers in all). Each book has 5 pages of activities and downloadable audio that reads the book and sings a song. There is also a picture dictionary included for the vocabulary on the inside covers. Ask us about discounts for class sets of a reader!
There are answer keys and downloadable audio files available for teachers. We can also send teachers a Guide Didactique to use with any readers - email us at polyglot@wor.com