Detective PonyBook - 1998
"In the middle of the night, Anna hears Acorn's whinny in the Crandal paddock. There is a fire in Dr. Crandal's animal clinic. All the animals are in danger. The Pony Pals notice that a stray cat who was staying at the clinic is missing. Anna and Acorn are determined to find the stray. Can Acorn lead the Pony Pals to the cat?"--Page 4 of cover.
Publisher: New York : Scholastic, ©1998
Characteristics: 79 pages : illustrations ; 20 cm