The Circus Detectives Author:Harriette Sheffer Abels, Susan Jeffers (Illustrator) While working out a new clown and tumbling act, two boys with a traveling circus stumble across the reason for the troupe's recent bad luck.
Harriette Sheffer Abels writes as H. R. Sheffer, H. S. Abels, Harriette Abels, and Harriette S. Abels.