Introductory deal: Receive the book How to Master School, a personal digital assistant and a secret message pen for $5.95 plus $3.99 shipping and handling (total = $9.94) when you join the Master Everything book club from Scholastic. The club is designed for children ages 9 to 11. Then: If you decide not to continue as a member, return the book and personal digital assistant. The pen is yours to keep as a gift. If you continue as a member, every four weeks you will receive a new How to Master Everything book along with a toy or gadget for $12.99 plus $3.99 shipping. And: That's it. You may cancel your membership at any time. Return days: Seven. Credit card required? Yes, or you may asked to be billed. Sales tax: Connecticut, Florida, Kentucky, Missouri, New Jersey, New York. Customer service: 800-724-6527 or email. Open to: U.S. residents, including its territories and APO/FPO.