Publisher: Collins

First Printed: 1971

Cover Artist: Peter Archer
Frontispiece Artist: Roger Hall
Internal illustrator: Roger Hall

ISBN: 0-00-160504-6

Story version: N/A

First Printing Attributes:
-- Green spine box with black text.
-- 12 titles listed on reverse cover.
-- Blue staining on page edges.
-- Gold price label: 35p.

Spine Art Description:
-- Joe tackles Varney

Publisher: Armada Books
Cover Layout: Format A

First Printed: 1974 (February)

Cover Artist: Peter Archer

ISBN: 0-00-690815-2

Notes:
-- First printing back cover prices are as follows:
£0.25 (UK), $0.70 (NZ), $0.70 (AU), $0.95 (CAN).
-- Armada altered the name of this story slightly by adding an extra 'The' to the start of the title.
-- The text on this cover is aligned to the right, whereas all other Format A covers have text aligned to the left.

Publisher: Armada Books
Cover Layout: Format C

First Printed: 1986

Cover Artist: Unknown

ISBN: 0-00-690815-2

Publisher: Armada Books
Cover Layout: Format D

First Printed: 1988

Cover Artist: Unknown

ISBN: 0-00-690815-2

Publisher: Armada Books
Cover Layout: Format E

First Printed: 1992

Cover Artist: Kenny McKendry

ISBN: 0-00-690815-2

Notes:
-- This was the first cover that Kenny McKendry painted for the series. Unfortunately, the publishers were not keen on the illustration and consequently assigned Browne to produce artwork for most of the other books. (Source: the interview with British artist David Browne, conducted by Bob Finnan in 2003).

Publisher: Armada Books

Cover Layout: Format C

First Printed: 1984

Featured stories:
#4 - The Mystery of the Whale Tattoo
#6 - The Mystery of the Desert Giant
#15 - The Flickering Torch Mystery

Cover Artist: Unknown

ISBN: 0-00-692449-2

Notes:
-- First printing back cover prices are as follows:
£2.50 (UK).

Publisher: Armada Books

Cover Layout: Format E

First Printed: 1994

Featured stories:
#3 - The Haunted Fort
#4 - The Mystery of the Whale Tattoo

Cover Artist: Kenny McKendry

ISBN: 0-00-694413-2

Notes:
-- First printing back cover prices are as follows:
£3.50 (UK), $12.95 inc. GST (NZ)

Publisher: Diamond Books

First Printed: 1993

Featured stories:
#4 - The Mystery of the Whale Tattoo
#6 - The Mystery of the Desert Giant
#15 - The Flickering Torch Mystery

Cover Artist: David Browne

ISBN: None

Notes:
-- This particular selection of titles was first issued in an omnibus edition by Armada in 1984.