Piet Potter returns
By: story and pictures by Robert Quackenbush.
Series: A Piet Potter mystery
Publisher: McGraw-Hill
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 47
Subjects: Mystery and detective stories.; City and town life -- Fiction.
Description: Amazing boy detective Piet and his friend Amy track down clues that lead to the solution of elevator tie-ups and crime.