Used book – Alice and the Stagecoach, Caroline Quine

The future of a small town sometimes depends on four wheels... Mrs. Stone knows this well, as her great-uncle drove a stagecoach in the 19th century. A mysterious letter, addressed by this coachman ancestor to his family, seems to promise wonders to whoever possesses it. But the stagecoach has disappeared! Another case for Alice, always on the lookout for the slightest investigation.