Editore: Whitman Publishing Company, Racine WI, 1964
Da: Book Booth, Berea, OH, U.S.A.
Paperback. Condizione: Good. Howe, Wilbur A. (illustrator) (illustratore). Covers have minor wear with some loose lamination and chipping. Corners and ends of spine lightly bumped. Binding loos in one place. Pages browning but not brittle. No writing. 212 pages + title list. Patty's almost identical cousin comes to visit. She is Cathy, the daughter of Patty's father's twin brother. The two have fun fooling other people and embark on a mystery in an old mansion. Size: 5.75 x 7.75.