Download or read book Mackinac Passage written by Robert A. Lytle and published by EDCO Publishing Inc. This book was released on 2001 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pete Jenkins and his friends explore the Round Island Lighthouse and the island after crossing Lake Huron in their dingy, only to find a warning message in their boat and a threat on their lives. Here, their curiosity leads them on the trail of dangerous thieves.