Jack, Scott, Emily and Drift the dog rescue a drowning man from the sea and find themselves embroiled in a whole new adventure!

When Scott, Jack and Emily rescue a drowning man from the waves they are keen to hear his story, but their new friend can't remember his own name, let alone how he came to be stranded at sea! Who is the mystery man? Why did he come to Castle Key? And was his drowning an accident - or attempted murder?

The friends are on the case - with enthusiastic assistance from Drift the dog - determined to find the truth and solve the mystery of the drowning man.

"Echoes of past adventure books ring out throughout the pages...but it has cleverly been brough right up-to-date for today's young readers to get immersed in the tale for maximum enjoyment." - LINCOLNSHIRE ECHO

"...a thoroughly good read and well worth buying to pack in your suitcase this summer." - THE BOOKBAG

"...a magical story, filled with mystery and suspense. I recommend it to anyone between 8 and 14 and hope you enjoy every page as much as I did." - ANORAK