When Scott and Jack Carter have to stay with their great aunt for the summer they steel themselves for the most boring holiday ever. But then they meet Emily Wild and her loveable dog, Drift. Emily shows them the lighthouse, the castle - and the amazing whistling caves. Legend has it that when the caves stop whistling the castle will be attacked - and that's exactly what happens!
Priceless treasures are stolen and Emily and the boys are determined to investigate. But how was the treasure smuggled out of the castle? Why did the caves stop whistling? And can the friends solve the mystery in time to catch the thief?
The first in an exciting new adventure series - with five more gripping mysteries to come!
Helen Moss was born in 1964 and grew up in Worcestershire and Saudi Arabia. After a degree in psychology and philosophy at Oxford University, Helen went on to do PhD research at Cambridge University. She recently spent a year in Portland, Oregon, with her family, and on returning decided to switch direction and devote herself full-time to writing books for young readers. Helen lives in a small village outside Cambridge with her husband, two teenage sons, two border collies, two gerbils, several hens and a bearded dragon called Frankie. Visit her website at http://www.helenmoss.org.uk and the Adventure Island website at http://www.adventureislandbooks.com.