Helen Acker; Illustrated by Nils Hogner. Dorothy Childs Hogner; Illustrated by Nils Hogner. Helen Lester; illustrated by Lynn Munsinger. by Dorothy Childs Hogner; Illustrated by Nils Hogner. by Helen Rushmore; Illustrated by Mimi Korach. Edward Victor; Illustrated by Mel Hunter. by Dorothy Childs Hogner; illustrated by Nils Hogner. Helen E. Buckley, illustrated by Jan Ormerod. Helen Cresswell; illustrated by Ruth Rivers. Sonia Bleeker; Illustrated by Edith G. Singer.