Trigwater did it
By: Lissa Rovetch.
Series: Picture Puffins
Publisher: Puffin Books
Published: 1991
Place of publication: New York, N.Y., U.S.A
Language: eng
Subjects: Imaginary playmates -- Fiction.; Behavior -- Fiction.
Description: Arnie's invisible friend Trigwater gets him into all sorts of trouble until Arnie decides to make him behave.
Notes: "Ages 3-8"--P. [4] of cover.