The Mystery on the Great Lakes by Carole Marsh

Written by Carole Marsh

Five alluring lakes! Six sunken shipwrecks! Twelve captivating caves! One creepy lighthouse! An elusive lake monster! Christina, Grant, Mimi, and Papa fly the Mystery Girl and take the mystery boat, Mimi, to all the Great Lakes on a wild and watery, adventurous mystery of shipwrecks, haunted lighthouses and island intrigue.