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 (Whee!!!)... learn about locks... and solve a soggy mystery! Loook ouuut! 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!!! 

LOOK what's in this mystery - people, places, history, and more! 
Daredevils that have tried to beat the falls in barrels: The Great Blondin - Annie Taylor - Dave Munday • Fort George: buildings and their uses, weapons used, uniforms worn by British • "Raid of the Mist" - Facts and folklore • The Underground Railroad • The War of 1812 - Historical Facts • Laura Secord, Chocolate Lady and Canadian hero • Francis Abbot • Whirlpools • Niagara Falls, both the Horseshoe Falls and the American Falls • Kingsbridge Park • Niagara Falls Daredevil Gallery • Fort George - Parade Ground - Powder Magazine • Newspaper Museum • Loof Menagerie Carousel at Lakeside Park on Lake Ontario in Old Port Dalhousie • Brick City • Puddicombe Estate Farms and Winery • Sir Adam Beck Generating Station and Station #2 • Lock 3 viewing platform at the Welland Canals • Bridal Veil Falls and the Cave of the Winds • Journey behind the Falls • Butterfly Conservatory in the Niagara Parks Botanical Garden • Clifton Hill District - Niagara Sky Ferris Wheel.