John Matthews began a new career as an author after a career as a book publisher. He has written numerous books about inventions, wildlife, and history.
- Spring 2018
- Fall 2017
- Spring 2017
"The math teachers at our school are really enjoying the By the Numbers series, and our students are getting a kick from the Global Products set. The MP3 book and the skateboards books are a hot commodity. "—Robin Screen, Ford Middle School