"Secret of the Ninth Planet" by Donald Wollheim invites listeners on a thrilling journey through the cosmos, exploring the mysteries of our solar system and the enigmatic allure of a hidden ninth planet. This captivating tale delves into themes of discovery and the human spirit's relentless pursuit of knowledge, resonating with anyone who has ever gazed at the stars and wondered what lies beyond. With its imaginative premise and timeless exploration of curiosity, this audiobook offers an enduring reflection on our quest for understanding and the possibilities that await us in the universe. Wollheim's visionary storytelling continues to inspire and ignite the imagination, making it a must-listen for fans of classic science fiction.

An alien race has put a station on Earth and other planets in order to steal the rays of the sun, possible causing the sun to nova within two years. Burl Denning, a high school student, is the only person who has the power to stop the alien project. Can he and the crew of the experimental space ship Magellan act in time to save the earth? (Summary by Richard Kilmer)