The game is on at the International TWIST competition! Finalists from around the world have gathered to match wits at the competition's remote lake camp in Ontario, Canada. One night the lead player, Reza Amari, tells a spooky campfire story about a monster and a man who disappears, leaving behind only a set of shrinking footprints in the mud. All the campers love the creepy story and are still talking about it the next morning - until they find out that Reza has vanished! Now it's up to Lola Evans and Mateo Rivera to investigate. What happened to Reza? And what was making that scary howling sound in the middle of the night? Follow along as Lola and Mateo work together to face their fears, track down the clues and find out the truth behind The Incredible Shrinking Horror! Part of the Mysteries series.