When Scott, Jack and Emily stumble upon some bones in the quarry above Castle Key, they're convinced they've discovered the gruesome remains of a murder victim! But the bones turn out to be much, much older than that - could they be dinosaur bones? Or are they the last earthly remains of a real dragon? Rival scientists fight to prove each other wrong, while the friends are determined to uncover the truth - with a little help from Drift the dog, of course!

When Scott , Jack and Emily hear that a film is being made at the nearby manor house they can't resist going to watch. But when the glamorous star of the film vanishes the friends realize they have a new mystery to solve! Has the star been kidnapped by a crazed fan? Could she have run off with her boyfriend? Or did she venture into the manor's attic at midnight and fall foul of the legendary ghost that haunts the old house? The second gripping mystery in this exciting new adventure series!

A game of hide and seek in the old Castle Key lighthouse during a violent thunder storm leads to an amazing discovery - a tattered old treasure map! Scott, Jack and Emily can't wait to search for the hidden gold but first they must solve the clues to uncover its secret hiding place. And someone else is after the gold too - someone who doesn't plan to let anyone get in their way! Can our heroes figure out the map, outwit their enemy and find the hidden treasure? The third title in this fabulous new series packed with mystery and adventure!

The circus comes to town, full of conjurors, clowns, tightrope walkers and trapeze artists. But dark secrets lurk beneath the sawdust and spangles - secrets that are part of a dangerous mystery that might prove impossible to solve! The fifth book in this gripping new adventure series!

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.

When Boomerang the cat disappears into a tiny gap behind the fireplace at Stone Cottage, Scott, Jack and Emily are amazed to discover a secret room that Aunt Kate never knew existed! But what was the room created for? Inside is very little other than an enormous old chest which Jack is convinced must be full of treasure, but what secrets will be revealed when the friends finally manage to open the box?

A classic from the heyday of gamebooks, originally published as part of the Golden Dragon series.
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Far below the lost temple of the ancient god Katak, you and your evil foe Damontir the Mad act out a deadly game. You stalk one another through the silent tunnels where no living thing has trod in centuries, both seeking the priceless gold idol of the flame god.
With skill and daring and a little luck, you can overcome the traps and monstrous beings that stand between you and your goal. But then you must face Damontir in a mighty conflict to decide who will emerge victorious into the light of day and who will remain in the silent darkness forever.
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This is fantasy adventure with a difference: YOU are the hero A pencil, an eraser and two dice are all you need to embark on your quest. Success and vast riches - or failure and savage death - will depend on the decisions you make.

Put yourself at the heart of the story...

War is brewing between the kingdoms of Sidonia and Glorianne, a war waged for control of the territories of the New World. Galleons laden with gold ply the seas, and in their wake sail pirates and privateers eager for plunder.

Adrift in an open boat, you make your desperate bid to escape from the sadistic Captain Skarvench. The odds are stacked against you. Even if thirst, hunger and storms don't kill you, there are still formidable dangers to overcome in crossing hundreds of miles of uncharted ocean to reach safe harbour.

Yet you must make it. Because only you know Skarvench's latest and most wicked plan. You are determined to round up a crew, get yourself a ship, and set sail on a voyage of vengeance and justice. You are destined to face many perils: undead pirates, sea monsters, cursed ships, witches and ancient gods. And the greatest threat of all: the vision you have seen of your own death at the hands of your hated foe.

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Critical IF books are interactive adventures with a difference. You can be a mutant with the power to warp reality. A buccaneer whose sword and pistol are a match for any foe. A daring rogue leaping between rooftops. A wizard who can command the elements. Be anyone you can imagine. Choose from almost five hundred different character types, each with their own unique skills.

Strong stories, vivid settings and compelling characters make Critical IF the game-changers of the interactive fiction genre.

Something strange is afoot on the moors above Castle Key - sinister noises, lights in the sky and mysterious figures moving in the dark. Are aliens invading, as Jack suspects? Could it be smugglers, as Emily thinks? Or is there another explanation? Scott, Jack, Emily and Drift the dog are on the case!

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!

When thieves raid the house of a neighbour, Emily, Jack and Scott are ready to investigate. But, strangely, the neighbour doesn't seem to want the thieves to be caught! The burglars didn't escape with much this time but could the raid be connected to a much older crime involving millions of pounds? The friends begin to uncover the truth, but are they leading themselves into serious danger? Mystery, menace and adventure await in the fourth book of this gripping new series!

When a young prince is kidnapped while on a school camping trip in Castle Key, Scott, Jack, Emily and Drift are eager to take on the case. Drift's clever nose is sure to sniff out some clues to the kidnappers - but can the friends rescue the hostage in time?

A string of unusual crimes hits Castle Key and the chief suspect seems to be a skeleton! Scott, Jack, Emily and Drift the dog immediately start investigating, but nothing about the mystery makes sense. Will the friends finally be defeated by this baffling mix of crimes and the mysterious culprit, or can they uncover the sinister secret that connects them all? The sixth gripping mystery in the exciting new Adventure Island series!