The Secret Life of Hubie Hartzel (by Susan Rowan Masters) Literature-based resource THE SECRET LIFE OF HUBIE HARTZEL By Susan Rowan Masters For grades 3, 4, 5 and 6. Lesson plan. (Thank you Susan for submitting your lesson plan) Susan Rowan Masters' Electronic Notebook Visit the author's website. Lots of activities related to this literature. HOME DISCLAIMER : This is a disclaimer. We try to gather information that are as accurate as possible. However, if there are mistakes, we will not be held liable or responsible for anything. Use it at your own discretion. We are also not responsible for any links beyond our site.