Trigwater did it
By: Lissa Rovetch.
Publisher: Morrow Junior Books
Published: 1989
Place of publication: New York
Language: eng
Number of pages: 31
Subjects: Imaginary playmates -- Fiction.; Behavior -- Fiction.
First sentence: My name is Trigster
Description: Arnie's invisible friend Trigwater gets him into all sorts of trouble until Arnie decides to make him behave.