The Secret at the Dolphin Grotto

Beautiful Michigan, the 26th state to join the Union, nicknamed the 'Wolverine State', provides the background for this heart-warming mystery. When Thor, Tana, Johnny and Brook were invited to Mackinac Island for a fun vacation by a friend, little did they know that this invite would lead them into an adventure involving dolphins, a treasure worth more than $1.million dollars, creepy sounds in the night and a lovely stranger who keeps to herself most of the time, plus a person walking...
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Beautiful Michigan, the 26th state to join the Union, nicknamed the 'Wolverine State', provides the background for this heart-warming mystery. When Thor, Tana, Johnny and Brook were invited to Mackinac Island for a fun vacation by a friend, little did they know that this invite would lead them into an adventure involving dolphins, a treasure worth more than $1.million dollars, creepy sounds in the night and a lovely stranger who keeps to herself most of the time, plus a person walking through the woods in a white mist. Things begin to happen the moment the four young people arrive on the island. A runaway carriage almost tramples Thor before he gets the horse stopped, creepy sounds that have no explanation, a woman walking through a white mist in the woods, plus other things that have no explanation at the time. Their friend, Cindy Hartland, leads them into danger from an unknown enemy. Who is causing the trouble around Green Gables and why? Who is the strange woman who hides herself away from the world and why does she do this? Join the four young people as they once again put their clues together and unravel a mystery that has stumped the ones involved for a number of years. This inspirational adventure of fun, romance and mystery will keep you tingling on the edge of your seat until the very last page is turned and you come to the end of the story.