Oliver grew up in a family of explorers - but his biggest adventure is about to begin!Along with his new friends, a grumpy old albatross, a short-sighted mermaid and a friendly island called Cliff, Oliver goes off in search of his missing parents.

But before he can put his rescue plan into action there's the evil Stacey de Lacey and an army of pesky sea monkeys to contend with . . . EEP!Award-winning dynamic duo, Philip Reeve and Sarah McIntyre, have created a book bursting with eccentric characters and stunning two colour illustrations.

This book has been shortlisted for the 2014 Blue Peter Book Awards, in the Best Story category. 'A delightfully told, beautiful tale of nautical hairdressing, saltwater primates and sarcastic seaweed - this is my kind of book!' Chris Riddell