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. 

Three at Wolfe's Door - Collins (1961):

• This is the Collins Crime Club UK first edition
• The front flap has the price at the bottom (10s 6d net)
• The cover is red cloth with black lettering and a star and a logo on the spine. (the only appearnce of the star in this series)
• The copyright page says "First Published in Great Britain" at the top of the page
• It also has no further printings noted and has the copyright symbol (© Rex Stout, 1960) on the top line of the three lines at the bottom of the page.