Book One, The Shadow CipherBook - 2017
From Library Staff
When the Morningstarr twins came to New York City they brought amazing advances, but when they disappeared, they left a nearly impossible treasure map. Part of a series.
In an alternate history of New York, three kids try to solve a modern-world puzzle and complete a treasure hunt laid into the streets and buildings of the city.
In 1798, the Morningstarr twins arrived in New York with a vision for a magnificent city. Fifty-seven years later, they disappear, leaving behind a map to a treasure that exists in the very streets and buildings of the Big Apple itself.