The Practice Effect

Physicist Dennis Nuel was the first human to probe the strange realms called anomaly worlds — alternate universes where the laws of science were unpredictably changed.
But the world Dennis discovered seemed almost like our own — with one perplexing difference. To his astonishment, he was hailed as a wizard and found himself fighting beside a beautiful woman with strange powers against a mysterious warlord as he struggles to solve the riddle of this baffling world.