The day Billy found aliens in his bathroom started badly. Then the aliens decided to move in - and things got worse!In this book:The most High Emperor of the Universe (Billy's baby brother, Silas) is in great danger. The Blobheads must protect him from the wickedest monster in all creation - a huge creature with twenty-six arms, eight glowing eyes and vile breath, known only as Sandra. And Sandra is a master of disguise...The fourth brilliantly blobby comedy from Paul Stewart and Chris Riddell.
- ISBN10 0330389750
- ISBN13 9780330389754
- Publish Date 7 April 2000
- Publish Status Out of Print
- Out of Print 14 June 2005
- Publish Country GB
- Publisher Pan Macmillan
- Imprint Macmillan Children's Books
- Format Paperback (B-Format (198x129 mm))
- Pages 64
- Language English