Hemmeter, Mary Louise Teaching pyramid observation tool (TPOT) for preschool classrooms manual Mary Louise Hemmeter, Lise Fox and Patricia Snyder - Baltimore: Paul H. Brookes Publishing, 2014. - ix, 123p. ISBN: 9781598572834 Subjects--Topical Terms: Education, Preschool-United States-Evaluation Dewey Class. No.: 372.21 / HET