My name is Mark, and I'm the author of SAT Math For Dummies and ACT Math for Dummies. I've got 15 years of experience helping busy high school students achieve their college dreams, with a focused yet low-stress approach to the tests that will also help you do better in your current course work.

Additionally, I teach math (from counting to Calculus), English, and study skills for students at every level. And for younger kids, I show busy parents how to engage with their kids in their home...