Brita Immergut is the author of How to Help Your Child Excel in Math (Career Press) and co-author of two textbooks for adults: Arithmetic and Algebra...Again and An Introduction to Algebra. She has taught mathematics for more than 30 years in middle schools, high schools, and at LaGuardia Community College of the City University of New York. Professor Immergut received an Ed.D. degree in mathematics education from Teachers College, Columbia University.