What is the free market and why is it so important? Ethan and Emily embark on a fun field trip to learn how pencils are made using parts from all over the world—and how in an economy, people work together in harmony to produce helpful products that improve our lives. Book #2 of 12 in the Series.

By Connor Boyack

Paperback: 55 pages  ISBN: 978-0-9892912-8-6

Purchase the Complete Set of 13 Tuttle Twins Adventures at a deep discounted price!