From the Back Cover:
“It is his [the author’s] sincere hope that the general public will enjoy the same laughs that he has experienced collecting this material. Volume II of “Your Slip Is Showing” is now in the process of being compiled. Readers are invited to send material relating to “fluffs” that they have either made, heard or seen to:
℅ GRAYSON PUBLISHING CORP.
381 Fourth Avenue, New York 16, N.Y.
(The book came out approximately in 1957)