About Tony Cliff Books by Tony Cliff Busca al ratón dormilón / Let's Get Sleepy! by (author) Tony Cliff Ages 4 to 8 Grades p to 3 Let's Get Sleepy! illustrated by Tony Cliff Ages 3 to 6 Grades p to 1 Delilah Dirk and the Pillars of Hercules by (author) Tony Cliff Ages 12 to 18 Grades 7 to 12 Delilah Dirk and the King's Shilling by (author) Tony Cliff Ages 12 to 18 Grades 7 to 12 Delilah Dirk and the Turkish Lieutenant illustrated by Tony Cliff Ages 12 to 18 Grades 7 to 12