Title: Ask Oliver: The Mystery of the Missing Diamond
Author: Terrance Dicks
Illustrator: Valerie Littlewood
Publisher: Knight Books
Book Condition: Good/Very Good
Jacket Condition: N/A
Description: "Is the Sultan's diamond really priceless? Who has stolen it from the museum? How did they do it? "Everyone is asking questions, but no-one has asked Oliver. He's the youngest member of Pete's gang, and through clever detective work he helps them track down a most unlikely thief. "See if you can solve the mystery before Oliver does."
Excellent b&w illustrations throughout.
Negligible crease in lower-right corner of front cover; minor crease near lower-left corner of rear cover. Pages very lightly tanned (to be expected in a 27 year old paperback), but are otherwise completely unmarked and very tightly bound.
Measures 17.5 cm × 11 cm (7″ × 4.4″). 12mo. 58 pp. + 6 page catalogue detailing other books by the publisher.