Jean Merrill (A)

List Price: $9.99 (Paperback – Toothpaste Inventor  – 2006)

Sixth-grader Rufus Mayflower doesn’t set out to become a millionaire. He just wants to save on toothpaste. Betting he can make a gallon of his own for the same price as one tube from the store, Rufus develops a step-by-step production plan with help from his good friend Kate MacKinstrey. By the time he reaches the eighth grade, Rufus makes more than a gallon — he makes a million! This fun, breezy story set in 1960s Cleveland, Ohio contains many real-life mathematical problems which the characters must solve to succeed in their budding business. Includes black-and-white illustrations by Jan Palmer.

This 35th anniversary edition includes an exclusive author interview and reader’s guide with book summary and discussion questions. (144 pgs) Ages 9-12

• Lexile Measure : 820L
• Product Dimensions : 5.5 x 0.38 x 8.25 inches
• Shipping Weight : 5.6 ounces