Bob Barner

Bob Barner has written and illustrated several children’s picture books and illustrated many more, including Bennie’s Pennies by Pat Brisson and Pick Up Your Ears, Henry by Patricia Brennan Demuth. He lives in Boston.Jo Dennis is an early math education specialist with experience in teaching at both the elementary school and the university levels in the United States, England, and Australia. She has been the math consultant and math director of several math textbooks for children and teachers.