The sub-title of this humorous book is "A Communication Guide For Humans". The book says that cats came from Jupiter and dogs from Pluto. The author imagines how life on these planets has shaped our pets. This paperback is 5 3/8" wide x 5 1/2" high. Copyright 1994, 61 pages, text and cartoons throughout. Previously owned but in good condition. 1 only. Note: this author wrote the book Men Are From Mars, Women Are From Venus.