Monster Blood for Breakfast! by R.L. Stine

Condition: excellent

Monster Blood for Breakfast! (Goosebumps Horrorland #3] [GOOSEBUMPS HORRORLAND MONSTER] [Paperback]

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 Monster Blood.

As if Matt's problems weren't big and slimy enough, a surprise invitation will lead to even more trouble. How long can Matt survive inside a terrifying theme park?

Not very long if his friends keep disappearing!