4It's a whole new ride from the master of fright and bestselling author R.L. Stine--with a story so fiendish that it can't be contained in just one book!

For an athlete like Matt Daniels, breakfast is the most important meal of the day. It's also the most dangerous. That's because somebody is about to pull a mean prank. The recipe is simple: Just add gooey, green Monster Blood.As if Matt's problems weren't big and slimy enough, an invitation to HorrorLand is also on its way. Can How long can Matt survive inside a terrifying theme park? Not very long if his friends keep disappearing!