In the year 878, England trembles under Viking attack - but the deadly Danes are being snatched by sea-monsters.
What does this have to do with some stolen zoo animals and a mad bull scientist from the future?
Only McMoo, Pat and Bo can find out.
- Format: Paperback
- Pages: 192 pages
- Publisher: Random House Children's Publishers UK
- Publication Date: 02/02/2012
- Category: Adventure
- ISBN: 9781849414012