Source: http://www.flickr.com.Faber and Faber. License: All Rights Reserved.

The Dog Beneath the Skin, or Where is Francis? A Play in Three Acts, by W. H. Auden and Christopher Isherwood, was the first Auden-Isherwood collaboration and an important contribution to English poetic drama in the 1930s. It was published in 1935 and first performed by the Group Theatre in 1936.

http://en.wikipedia.org/wiki/The_Dog_Beneath_the_Skin

This is the 1935 edition by Faber and Faber. Monotype's Rockwell Shadow was released the year before.