This detail page shows several photos of the book to show what a first edition looks like.  The images are original photos taken of my personal copy of the first edition book. 

Mountain Cat - Collins (1940):

• This is the Collins Crime Club UK first edition
• The dustjacket has the title printed in green and the author printed in red on a mostly yellow background
• The front flap has the price at the bottom (8/3 net)
• The cover is red cloth with black lettering
• The copyright page has no further printings noted and has the year printed on the bottom line on the page