On the Spot [Carl Dekker]
Double or Nothing (Calvert Publishing Co. Pty. Ltd., 1960?) has been grouped as part of a series of related series of one-shots.
Some 'On the Spot' books have branding on the cover. Others only list it on the title page.
Series
1.
Casino Minx
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
2.
Cute Cargo
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
3.
Don't Bother to Knock
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
4.
Double or Nothing
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
5.
Eve—as in Evil
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
6.
The Fall
Calvert Publishing Co. Pty. Ltd.
([1950?])
Details
Gallery
Links
7.
Fate Chose This Number
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
8.
Femme Fatale
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
9.
Flight into Fear
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
10.
Gallows of Gold
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
11.
Kiss from a Killer
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
12.
Lay Low My Lovely
Calvert Publishing Co. Pty. Ltd.
([July 1950?])
Details
Gallery
Links
13.
Not for the Hangman
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
14.
Paper Doll
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
15.
Silence So Deadly
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
16.
Slay Belle
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
17.
Stab in the Dark
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
18.
The Tearful Tigress
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
19.
Venus Had Claws
Calvert Publishing Co. Pty. Ltd.
([1960?])
Details
Gallery
Links
20.
A Wink from a Witch
Calvert Publishing Co. Pty. Ltd.
([1960?])