This set includes 1000 quizzes each for elementary school social studies and general learning. Please purchase as a set of 3 books. - Title: Elementary School Social Studies & Science Quiz 1000 - Title: Elementary School Learning Quiz 1000 - Contents: 1000 quizzes related to social studies - Contents: 1000 quizzes useful for learning - Target age: Elementary school students - Target age: Elementary school students Thank you for viewing. Thank you. (^_^)