#1 in MYSTERY and HARDY BOYS. 1930s-style fanfiction novelet sequel to the original 1929-text The Mystery of Cabin Island, everybody's favorite Hardy Boys winter adventure. More ice-boating on the bay, more mysterious happenings on Cabin Island, an unexpected thrilling ride to New York City on the Flying Express, and New Years Eve spent at a gathering of a sinister cult of danger in an old Manhattan warehouse!