Book excerpt: Michigan's historic Mackinac Island is considered the gem of the Great Lakes. Victorian-style homes, historic military forts and limestone formations grace the island. Michigan Highway M-185 circles the island even though its only traffic are horse-drawn carriages and bicycles--motorized vehicles are prohibited.Mackinac Island is peaceful, serene and a major summer vacation destination. The story: Two hundred years before, a fortune disappeared when American colonial forces recapture Mackinac Island from British occupiers. Through chance encounters, a modern day trio of ne'er-do-wells come together to share a house. Summer tourist season arrives and with it come scores of island visitors. Devious, tough-as-nails Josie, invites companions Wayland and Diggs to visit the island. The men happen upon a life-altering discovery. Companionship soon declines into primal instincts, greed and cruelty. Double crosses abound, sinking readers to unforeseen depths in this thrilling island mystery.