by Charles G. Davis ; illustrated by the author. by Charles R. Knight ; with illustrations by the author. Philippe Petit, illustrated by the author. George Gamow ; illustrated by the author by Nicholas Bate; original illustrations by the author. Ruth Chew ; with illustrations by the author. by Carmen Harris ; illustrated by Lis Toft. Eleanor Estes ; with illustrations by the author. Jane C. Gates ; with illustrations by the author. Ruth Chew with illustrations by the author.