The Wizard Knight: Comprising The Knight and The Wizard by Gene Wolfe
Paperback – Tor Books – Aug 2020 – 909 pages
A young man in his teens is transported from our world to a magical realm consisting of seven levels of reality. Transformed by magic into a grown man of heroic proportions, he takes the name Sir Able of the High Heart and sets out on a quest to find the sword that has been promised to him, the blade that will help him fulfill his ambition to become a true hero—a true knight.
Inside, however, Sir Able remains a boy, and he must grow in every sense to survive what lies ahead…