About Lil Crump Artist Lil Crump brings the pages to life with her lively cartoons, while photographs illustrate key concepts. The dynamic layout invites even math-phobic readers to dive in. She lives in Canada. Books by Lil Crump Anna at the Art Museum by (author) Hazel Hutchins & Gail Herbert illustrated by Lil Crump Ages 4 to 7 Grades p to 2 The Great Number Rumble Revised Edition by (author) Cora Lee & Gillian O'Reilly illustrated by Lil Crump Ages 9 to 12 Grades 4 to 7 DNA Detective by (author) Tanya Lloyd Kyi illustrated by Lil Crump Ages 11 to 14 Grades 5 to 9