About the book: 2007 / Katya and Dima were carefully sneaking towards the library when the girl accidentally turned around. Something white was slowly descending down the stairs, looking like a ghost from a horror movie. Another second, and the whole house would have woken up from her squeal, but Dima covered her mouth with his hand in time and dragged his partner behind the sofa. Having disconnected, the girl let go of the hard-won piece of paper with another hint on where to look for treasure. A white shadow slid along the wall towards the exit of the house, and the couple rushed to look for the precious piece of paper. But the leaf disappeared without a trace...