Most Popular Books
- Open Sesame Multilevel Book: Student Book (Open Sesame Series)
- Open Sesame: Ernie and Bert's Red Book: Student Book (Oxford American English)
- Big Bird's Yellow Book
- Big Bird's Yellow Activity Book (Open Sesame English as a Second Language Series)
- Open Sesame: Ernie and Bert's Red Book: Teacher's Book (Open Sesame)