当常规课本不再足够，用有挑战的竞赛题把孩子的好奇心引向更深的数学思考。
MIMOSE AND SAM,Snack Season？
Basic Instinct
What Teachers Make: In Praise of the Greatest Job in the World
The Godfather
The Montessori Method
What is an Archaeologist? (National Geographic Kids Readers, Level 3)
