This step-by-step guide will give you the knowledge and tools you need to succeed on this challenging exam. You'll get essential skill-building techniques and strategies created and classroom-tested by high school science teachers and curriculum developers. You'll also get full-length practice tests, hundreds of sample questions, and all the facts about the current exam -- everything you need to do your best on test day! (New York, NY) taught biology at the Spence School, a leading private high school in New York City. is a widely published science writer and educator.