Mr. Bass's Planetoid facts for kids
![]() First edition
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Author | Eleanor Cameron |
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Illustrator | Louis Darling |
Country | United States |
Language | English |
Series | The Mushroom Planet Books |
Genre | Science fiction Children's literature |
Publisher | Little, Brown and Company |
Publication date
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1958 |
Media type | Print (Hardcover) |
Pages | 227 |
Preceded by | Stowaway to the Mushroom Planet |
Followed by | A Mystery for Mr. Bass |
Mr. Bass's Planetoid is an exciting science fiction novel written for children. It was published in 1958 by Canadian author Eleanor Cameron. This book is the third adventure in The Mushroom Planet Books series. It follows The Wonderful Flight to the Mushroom Planet (1954) and Stowaway to the Mushroom Planet (1956). The story features cool illustrations by Louis Darling.
Contents
What is Mr. Bass's Planetoid About?
This book takes readers on a thrilling journey. Two young boys, Chuck and David, are the main characters. They must find a missing inventor named Prewytt Brumblydge. This inventor created a dangerous machine called the Brumblitron.
The Threat of the Brumblitron
The Brumblitron is a huge problem. It is threatening to explode. If it does, it could destroy the entire Earth! Chuck and David must act fast to save our planet.
A New Destination: Lepton
In earlier books, the boys traveled to a tiny planet called Basidium. This time, their adventure takes them somewhere new. They fly to an airless rock named Lepton. Lepton orbits about 1,000 miles above Earth's surface. It's a small, barren place, but very important to their mission.
Introducing Brumblium
The story also introduces a special, fictional metal. It is called Brumblium. This metal is greenish in color. Scientists can see it using a special tool called a spectroscope. It shows up as "infragreen." Brumblium is incredibly dense. It is twice as heavy as uranium, which is a very heavy element itself! This new metal plays a key role in the mystery.
Characters in the Story
- Chuck Masterson: One of the main characters, a curious and brave boy.
- David Topman: Chuck's best friend, who joins him on all their amazing adventures.
- Mr. Bass: A wise and mysterious man from the Mushroom Planet. He guides the boys on their missions.
- Prewytt Brumblydge: The brilliant but missing inventor. His invention, the Brumblitron, causes the main conflict.
The Author: Eleanor Cameron
Eleanor Cameron (1912–1996) was a well-known Canadian author. She wrote many books for children and young adults. Her Mushroom Planet series is especially famous. She was known for her imaginative stories and interesting characters.
The Illustrator: Louis Darling
Louis Darling (1916–1970) was an American author and illustrator. He illustrated many popular children's books. Besides Mr. Bass's Planetoid, he is also known for illustrating the first editions of Beverly Cleary's Henry Huggins series. His drawings helped bring Eleanor Cameron's stories to life.