Phil's book 2 prof. photo smallest sizePhil Hamman is the author of three nationally published books: Under the Influence, disOrder, and Gitchie Girl (co-authored with his wife, Sandy.) These fast-paced, true stories have proven popular with teens and adults. As a high school teacher for 30 years, Phil has been committed to working with teenagers with difficult behaviors such as conduct disorders and oppositional defiance. He has spoken extensively on the topics of anti-bullying, positive peer choices, setting goals, and reaching out to others.