Chulan Sinei Borody - Bulychev Kir

Alice Celezneva's class received a special task for the winter holidays: each student must choose one of the mysterious mysteries of history and go back in time to solve it.
But what if no worthy secret comes to mind?
In search of inspiration, Alice accepts the offer of her friend Richard Tempest to tidy up the pantry of the Time Institute. In this warehouse with the strange name "Bluebeard's Closet" the institute's staff store items brought from expeditions in the past.
Not inspiring at first work suddenly turns into a series of amazing puzzles and finds for the girl
. For middle school age.