"Be young again!" - an exciting fantasy book from the famous writer Murray Leinster. In this novel, any reader can be transported to a world where the secrets of youth are laid bare and open to everyone. The main character finds himself in an unusual situation, where the possibility of becoming young again is a reality. Together with him, the reader travels through time and space, where each meeting brings new discoveries and challenges. "Be young again!" - this is a book that will captivate with its plot and leave behind many thoughts and impressions.