The case of the exploding plumbing :and other mysteries
By: by Donald J. Sobol. Illustrated by Leonard Shortall.
Contributors: Shortall, Leonard W.
Publisher: Scholastic
Published: 1974
Place of publication: New York
Language: eng
Number of pages: 73
Subjects: Detective and mystery stories -- Juvenile fiction
Genres: Juvenile fiction
Description: The solutions to 10 mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the 10-year-old mastermind of Idaville's war on crime.
Notes: paperback

Original title: Encyclopedia Brown lends a hand.