By: Geronimo Stilton
Meet Creepella Von Cacklefur
She is an enchanting and mysterious mouse with a pet bat named Bitewing.
The fair has come to Mysterious Valley!
Creepella is looking forward to a fun, thrilling day of rides and games with her family and friends.
But one spooky roller coaster seems to be making everyone who rides it disappear! Creepella is determined to get to the bottom of the mystery - but what will happen when she rides the coaster herself.
By Media Team, Shirley