The Polly Harris.
By: Illustrated by Pat Marriott.
Contributors: Marriott, Pat, 1920- illus.
Edition: [1st U.S. ed.]
Publisher: T. Nelson
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 192
Subjects: Mystery and detective stories.; London (England) -- Fiction.
Description: While attending a London school to improve their grades, a brother and sister help their neighbors uncover a case of fraud.