Books in the Adventure Island series

Scott, Jack, Emily and Drift the dog search for a missing prince who's been taken hostage in the 11th adventure of the series.

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

Jack, Scott, Emily and Drift the dog investigate the mysterious case of a spy in hiding in the tenth Adventure Island mystery.

When Jack sees mysterious lights glimmering at midnight on the moors above Castle Key, the friends know there's a new mystery to solve in this 14th adventure of the series.

Action and adventure as Jack, Scott, Emily and Drift the dog uncover a monster mystery surrounding a dinosaur skeleton in the seventh in the Adventure Island series.

An exciting action movie is being filmed in Castle Key, but then the glamorous star of the film vanishes! Scott, Jack, Emily and Drift the dog try to solve the mystery.

An investigation into a mysterious burglary plunges Scott, Jack, Emily and Drift the dog into a tangled web of blackmail, fraud and international art theft!

Jack discovers some papers at the old lighthouse that hint at buried gold! Scott, Jack, Emily and Drift the dog try to solve the mystery.

Dark secrets lurk beneath the glittering surface of the circus - Scott, Jack, Emily and Drift the dog try to solve the mystery.

Strange crimes are being committed in Castle Key - by a skeleton! Everyone is baffled. Scott, Jack, Emily and Drift the dog try to solve the mystery.

Jack, Scott, Emily and Drift the dog investigate a shipwreck and search for a smuggler's hoard in the ninth Adventure Island mystery.

When the famous whistling caves fall silent and treasure goes missing from the castle on the cliffs, Scott, Jack, Emily and Drift the dog try to solve the mystery.

An amazing, top secret prototype car is being tested when it is stolen! Scott, Jack, Emily and Drift the dog investigate in the 12th adventure of the series.

Scott, Jack, Emily and Drift the dog are stunned to discover a secret room in Stone Cottage. The friends investigate in the 13th adventure of the series.