The product is a new and signed paperback book titled "Self-Affirmation" by Guy Greenfield, signed by the author in 1988. This collectible book is likely to be a valuable addition to any antiquarian or book collector's library, as it offers a unique and personalized item with a signature from the author.

With its date of publication and signed copy, this book may hold sentimental or historical significance for fans of Guy Greenfield's work or those interested in rare and collectible books.