"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 shipw

THERE'S MORE EXCITEMENT ON THIS CRUISE SHIP THAN NANCY BARGAINED FOR! Nancy, Bess, and George are going on a cruise around the Great Lakes for a fantastic end-o

In 1679, a French ship called the Griffon left Green Bay on Lake Michigan, bound for Niagara with a cargo of furs. Neither the Griffon nor the five-man crew was

New York Times Bestseller Winner of the Los Angeles Times Book Prize Winner of the J. Anthony Lukas Award "Nimbly splices together history, science, reporting a