The world of shadows book 1

Fiction, when a friend group of 5, 3 boys, 2 girls, all get wrapped up in what seemed at the time, innocent treasure hunting in town square with the whole middle school, their group leader, Myles, finds a ,cursed, book in his grandmas attic, they then, get involved in a huge bundle of secrets, lies, and a hidden truth that are all tied to the small town they live in and love. can they solve the long-awaited mystery?