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. 

The Nero Wolfe Omnibus (1944):

• This is a first printing as stated on the copyright page.
• The dustjacket is from a facsimile of the firdt edition.
• The frist edition cover is dark blue with a light blue logo on the cover, and light blue lettering and lines on the spine.  The second printing is burgundy.