TAPA BLANDA , LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. An SAT vocabulary-building program in the lively form of a mystery novel. Now students who take the Scholastic Assessment Test can learn more than 1,200 SAT words, improve reading comprehension, and enjoy a good story all at the same time. Includes exercises, glossary with page references.