Publisher: Collins

First Printed: 1974 (August)

Cover Artist: Peter Archer
Frontispiece Artist: Peter Archer (View)
Internal illustrator: None

ISBN: 0-00-160531-3

Story version: Revised text

First Printing Attributes:
-- Blue spine box with white text.
-- 36 titles listed on reverse cover.
-- Page edges not stained.
-- Gold price label: 50p.

Spine Art Description:
-- Boys hold treasure.

Publisher: Armada Books
Cover Layout: Format A

First Printed: 1982 (January)

Cover Artist: Peter Archer

ISBN: 0-00-691912-X

Notes:
-- First printing back cover prices are as follows:
£0.85 (UK), Not For Sale In Canada.
-- This was the first Armada paperback to feature a barcode on the reverse cover.

Publisher: Armada Books
Cover Layout: Format D

First Printed: 1989

Cover Artist: Unknown

ISBN: 0-00-691912-X

Notes:
-- For this paperback, the original Collins typesetting was completely redone from scratch. As a result, the frontispiece by Peter Archer is absent.