Young Arthur Mumby, his sister Myrtle, and their mother accept an invitation to take a holiday at an up-and-coming resort in the asteroid belt, where they become involved in a dastardly plot involving spies, time travel, and mind-altering clothing.

• ISBN: 9781599901213
• Author: Reeve, Philip
• Published: 2007, Bloomsbury USA Children's Books
• Themes: Adventure, Brother and sister, Outer Space, spy, Time travel
• Descriptors: England (UK), Intermediate (ages 9-14), Science Fiction
• No. of pages: 320