The lost treasure of Levi Boone Helm - Livre en anglais

Just after his absent father's funeral, Jacob is forced to flee his home by a dangerous intruder. On the run with his girlfriend, Emma, and her younger brother Max, Jacob has to solve riddles from an old box that belonged to his father. The clues lead the friends on a hunt through famous Canadian landmarks as they draw closer to Levi Boone Helm's famous lost treasure. Can they find it before their mysterious pursuer catches them?