Sharon Nittinger never gave much thought to roads until she met her husband, Bill. Bill and his father, Bob, have more than more than 35 years of combined experience working for Dynapac, USA, a construction equipment manufacturer. Sharon has two children and turns to books to answer the questions they ask her.
- Fall 2019
- Spring 2019
- Fall 2018
"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