The Humongous Book of Trigonometry Problems
W. Michael Kelley is an award-winning former math teacher and author of seven math books, including the very successfulHumongous Bookseries. His method of making intimidating math topics very approachable, even humorous, has helped students and adults alike conquer their fear of numbers. He taught high school mathematics for seven years before leaving to work at the University of Maryland College Park Education College. After serving as the Director of Teacher Preparation at the American Board for Certification of Teacher Excellence for nearly 10 years, he now works for Laureate Education, developing online coursework for colleges and universities.