It's wet it's loud it's enormous! It's Niagara Falls! Grant and Christina can't wait to go on another trip with their grandparents Mimi and Papa. Mimi writes mysteries and mystery never fails to follow the kids wherever they go including this wild and wonderful place! Along with new friends Allison and David, Grant and Christina spy b-b-bouncing barrels discover a secret room visit a famous fort ride a Ferris wheel (Wheeee!!!) learn about locks and solve a soggy mystery! Loooook ouuuuut! There's another barrel coming down the falls! But what's in it? Hey-don't forget your raincoat! You're going to get WET!!! Each mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, built-in book club and activities. Each Carole Marsh Mystery also has an Accelerated Reader quiz, a Lexile Level, and a Fountas & Pinnell guided reading level. Each mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, built-in book club and activities. Each Carole Marsh Mystery also has an Accelerated Reader quiz, a Lexile Level, and a Fountas & Pinnell guided reading level.