Danny Dunn, Invisible Boy

From Author Wars - https://authorwars.com/publications/danny-dunn-invisible-boy-294247.html

Overview:

Title: Danny Dunn, Invisible Boy
Author: Raymond Abrashkin, Jay Williams
Year: 1979
ISBN-10: 0671299840
Publisher: Archway / Pocket Books
Price: $1.50
Pages: 146
Binding: Paperback
Type: Novel
Title Reference: Danny Dunn, Invisible Boy
Notes: Info from Locus 3220 (April 1979) and WorldCat. Hector Garrido posted his original art for the cover on Flickr. The cover credit for illustrations to Paul Sagsoorian refers only to the interior art reprinted from the McGraw-Hill hardcover.