Gary Robert Muschla taught reading, writing, and math for more than twenty-five years in Spotswood, New Jersey. Judith A. Muschla taught mathematics in South River, New Jersey, for over twenty-five years. Erin Muschla teaches 7th grade math in Monroe, New Jersey.

Gary and Judith are the coauthors of The Math Teacher's Book of Lists, Hands-on Math Projects with Real-Life Applications, Math Starters, Geometry Teacher's Activities Kit, Math Smart, The Math Teacher's Problem-a-Day, and Algebra Teacher's Activities Kit, all published by Jossey-Bass. Gary, Judith, and Erin are the coauthors of the Math Teacher's Survival Guide, also published by Jossey-Bass.