Publisher: Collins

First Printed: 1973 (May)

Cover Artist: Peter Archer
Frontispiece Artist: Peter Archer
Internal illustrator: None

ISBN: 0-00-160530-5

Story version: N/A

First Printing Attributes:
-- Blue spine box with white text.
-- 30 titles listed on reverse cover.
-- Grey staining on page edges.
-- Gold price label: 45p.

Spine Art Description:
-- Sand-bag drops towards boys.

Publisher: Armada Books
Cover Layout: Format A

First Printed: 1981 (July)

Cover Artist: Peter Archer

ISBN: 0-00-691867-0

Notes:
-- First printing back cover prices are as follows:
£0.85 (UK), Not For Sale In Canada.

Publisher: Armada Books
Cover Layout: Format C

First Printed: 1985

Cover Artist: Unknown

ISBN: 0-00-692521-9

Publisher: Armada Books
Cover Layout: Format E

First Printed: 1993

Cover Artist: David Browne

ISBN: 0-00-692521-9

Notes:
-- This illustration was painted in early 1992. (Source: the interview with British artist David Browne, conducted by Bob Finnan in 2003).

Publisher: Armada Books

Cover Layout: Format E

First Printed: 1995

Featured stories:
#29 - The Hooded Hawk Mystery
#30 - The Secret Agent on Flight 101

Cover Artist: David Browne

ISBN: 0-00-694511-2

Notes:
-- First printing back cover prices are as follows:
£3.50 (UK)

Publisher: Diamond Books

First Printed: 1993

Featured stories:
#20 - The Clue In The Embers
#29 - The Hooded Hawk Mystery
#30 - The Secret Agent on Flight 101

Cover Artist: David Browne

ISBN: None