The Wonderful Flight to the Mushroom PlanetBook - 1954
A mystery man inspires two boys to build a space ship which takes them to the planet of Basidium to help the Mushroom people.
Publisher: Boston : Little, Brown, 
Edition: First edition
Branch Call Number: J CAMERON
Characteristics: 214 pages : illustrations ; 20 cm
From Library Staff
Earth has an undiscovered, invisible, moon planet. The Mushroom people live there and are in serious peril! Fortunately, two boys make a spaceship, are given special fuel, and are on their way to save the day!