MMath with Bert and ErnieMath with Bert and Erniede Sesame WorkshopEdiciones (1)Math with Bert and Ernie (2010)Learning Horizons · ISBN 9781595453433Más obras de Sesame WorkshopCookie's guessing game about foodElmo's guessing game about colorsBBig Bird's guessing game about shapesBig Bird's guessing game about shapes
