The "Frisky Business Cat Humor Book – Shoebox Greetings" is a vintage paperback published by Hallmark Cards in the 1990s. Written by Shoebox Greetings, the book is a collection of humorous anecdotes about being owned by a cat, with a focus on cat-themed scenarios and illustrations. With a first edition publication year of 1990, this illustrated book is targeted towards young adults and adults who enjoy light-hearted humor and stories about cats. The vintage nature of this book adds to its charm and nostalgia for those who appreciate quirky cat comedy from the 1990s era.