4: The Scream of the Haunted Mask
After the worst Halloween ever, Carly-Beth assumed that nothing could be scarier than a drooling rubber mask with a mind of its own. But now Carly-Beth has discovered something far scarier: an entire house full of haunted masks! If Carly-Beth can survive the night, even a terrifying amusement park like HorrorLand might seem like a vacation. Then again, maybe not. . .

ISBN: 978 1407 10692 2. Paperback. £4.99

3: Monster Blood for Breakfast!
When Matt ordered Monster Blood from a weird website, he only wanted it as a joke. But the joke's on him - and so is the green ooze. He's even eaten some of it! As if Matt's problems weren't big and slimy enough, an invitation to HorrorLand is also on its way. Can Matt and his sister survive inside a terrifying scream park where trouble lurks behind every turnstile? Can YOU?

ISBN: 978 1407 10691 5. Paperback. £4.99

2: Creep from the Deep
Billy and his sister, Sheena, unwittingly dive into a terrifying mystery when they accept a surprise invitation to HorrorLand - the amusement park that always lives up to its name. But first Billy and Sheena must sink or swim aboard a doomed ship that happens to be underwater - with a captain who happens to be dead. At least, he used to be!

ISBN: 978 1407 10694 6. Paperback. £4.99

1: Revenge of the Living Dummy
The thrill ride begins when Britney Crosby encounters an old ventriloquist's dummy with a lively secret - and a wicked plan. Soon afterwards she receives an invitation to an amusement park where all is not as it seems. Who - or what - is summoning kids to HorrorLand? Britney and her friends must find out fast - or remain trapped forever in the scariest place on Earth!

ISBN: 978 1407 10693 9. Paperback. £4.99