It’s a Puzzle – The Clue at Copper Harbor Puzzle Book By M.C. Tillson and Lisa T. Bailey US$4.95 ISBN # 978-0-9764824-5-1From A&M Writing and Publishing The Clue at Copper Harbor Puzzle Book It’s even more fun with Sam and Becky in Copper Harbor with these puzzles, riddles, and jumbles. See how many you can do! Read more about Sam and Becky in the Michigan Lighthouse Adventure trilogy. And in their first North Carolina Lighthouse Adventure.