About Dee Dee Tardif DEE DEE TARDIF was in grade nine when she helped her aunt come up with the idea for this book and write it. She is mostly a grownup now. Books by Dee Dee Tardif Our Friendship Rules by (author) Peggy Moss & Dee Dee Tardif illustrated by Alissa Imre Geis Ages 7 to 11 Grades 2 to 6 Our Friendship Rules by (author) Peggy Moss & Dee Dee Tardif illustrated by Alissa Imre Geis Ages 7 to 11 Grades 2 to 6