- In the original 1975 version of the book, Pongo and Perdita have ten puppies instead of fifteen, and Cruella's motive is to sell the dogs to the circus instead of skinning them for their fur. This was corrected in the 1996 version of the book.
- Hardcover: 42 pages
- Publisher: Random House Books for Young Readers; 23 edition (March 12, 1975)
- Language: English
- ISBN-10: 0394825713
- ISBN-13: 978-0394825717