Together they have written and illustrated more than 90 children's books.
He wrote and illustrated several children's books in the 1920's.
She illustrated books for children and wrote some of the stories herself.
Along the way she has met a great many of the people who write and illustrate children's books.
At the same time, she began to illustrate children's books.
She began illustrating children's books at the age of 30.
Her work was largely commercial and she illustrated few books.
He also illustrated several more serious books for other authors.
He spent much of the 1950s illustrating children's books written by others before beginning to write his own stories.
She has illustrated books for deaf children, using sign language.