Spies of Liberty (2021)

As a new agent of the Culper Spy Ring your first mission s a search upon which many lives depend. Agent 711 has urgently requested that you locate three military facts believed to be a aboard a ship. But which vessel should you search in this crowded harbour? What of the news that several ships will set sail in just one hour? If you are late will our cause be lost? Your fellow agents have hidden information in a local tavern that will guide you to a special ship. Do search for sets of numbers and sets of words that always appear in groups of three. Pay attention to related clues that indicate how the sets should be put in order. —description from the publisher