In Donald Wollheim's "The Secret Of The Ninth Planet," readers are taken on a thrilling adventure across the solar system as they follow the journey of a group of space travelers on a quest to uncover the mysteries of Pluto. The novel is filled with imaginative sci-fi elements, from advanced technology to close encounters with alien beings. Wollheim's vivid descriptions bring the vastness of space to life, creating a sense of wonder and excitement for readers. The characters are well-developed and engaging, making it easy to become invested in their mission. Overall, "The Secret Of The Ninth Planet" is a captivating read that will appeal to fans of classic science fiction.

Book Description:
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?