Library records (LCCN and OCLC, below) report 1 unnumbered leaf of plates, and illustrations, without illustrator credit.
Price and October publication stated in "Atheneum Books for Children Fall 1975", School Library Journal 22.2 (Oct 1975) p6-7; as "9-12 $6.50 Oct".
That is, reader ages 9-12 years.
For this ISBN 2017-03-19 and 2022-09-15, Amazon reports 1975 Atheneum paperback, without cover image.
