Christine Petersen is a freelance writer and environmental educator who lives in Minnesota. When she is not writing, Christine enjoys kayaking, bird-watching, and playing with her young son. She is the author of more than 20 books for young people.
- 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