Get ready to dive into the world of fantasy and science fiction with "The Door Into Summer" by Robert A. Heinlein. This vintage paperback book published by Signet in 1957 is a must-have for any adult audience interested in the genre. With 159 pages of thrilling narrative, this novel will transport you to a world beyond your imagination.

The book is in great shape and ready to be added to your collection. It features an exciting storyline that will keep you on the edge of your seat. Don't miss out on the opportunity to own this classic piece of literature.