Louis Sachar ; illustrated by Peter Allen. Louis Sachar ; illustrated by Sue Hellard. Sarah Hull ; illustrated by Peter Allen. illustrated by Peter Allen. by Marilyn Sadler ; illustrated by Roger Bollen. illustrated by Peter Allen Sam Taplin ; illustrated by Sarah Allen. written by Alice James ; illustrated by Peter Allen. by Judith Nicholls ; illustrated by Nigel McMullen. written and illustrated by Helen Borten.