Darkland. The Missing Door

Nik does not suspect that his conflict with his parents will lead him astray. He is merely going to an open house at a capital university. But everything goes awry, and now Nik, accompanied by a dreamer and a fortune teller, is forced to tread the gray path between the dying worlds of Darkland. The road of the missing. The fourth book in the series inspired by Stephen King's Dark Tower.