The Secret Formula

By Dan Green

A crackling chemistry adventure Strumbolina's factory makes the best chocolate in the world. But when old Strumbolina falls ill, you must save the day. Can you mix the materials and rule the reactions... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 160992505X
• ISBN13: 9781609925055
• Release Date: May 2014
• Publisher: QEB Publishing
• Length: 48 Pages
• Weight: 0.70 lbs.
• Dimensions: 0.4" x 6.8" x 8.9"
• Age Range: 7 to 10 years
• Grade Range: Grades 2 to 5