With a background in teaching, Lynne Kelly started her writing career with educational books—10 of them—including Challenging Minds: Thinking Skills and Enrichment Activities.

Susan Stonequist works at Sunset Ridge District 29 in Northfield, IL, a suburb of Chicago. She currently teaches seventh- and eighth-grade math courses and math enrichment activities for grades 6-8. She also taught mathematics and science in Avoca School District 37 in Illinois. In 1997, Susan earned her Master of Science degree in mathematics from the University of Illinois. Susan presented at the 2010 National Association for Gifted Children conference. She has a supportive husband, Mike, and three wonderful children, Brendan, Connor, and Abby. She can be reached at stonequists@sunsetridge29.net.