Bibliografía (16 obras)
The Truck Book (Best Book Club Ever)
1999
ABC and 123
1998
500 palabras para ampliar el vocabulario/ 500 Words to Expand Your Vocabulary
1990
The Sesame Street ABC book of words
1988
Words to grow on
1984
500 Palabras Nuevas Para Ti: 500 Words to Grown On
1983
500 palabras nuevas para ti =
1982
The truck book
1978
500 palabras para ampliar el vocabulario
Muppets in my neighborhood
1977
Animal babies
Animal Babies
Trucks
1976
Baby animals
500 words to grow on
1973
Land, Wildlife and Peoples of the Bible
1967
