Detta är Guardians of the Flame "serie av böcker av Joel Rosenberg .
It began as just another evening of fantasy gaming, with James, Karl, Andrea, and the rest ready to assume their various roles as wizard, cleric, warrior, or thief. But sorcerous gamemaster Professor Deighton had something else planned for this unsuspecting group of college students. And the "game" soon became a matter of life and death as the seven adventurers found themselves transported to an alternate world and into the bodies of the actual characters they had been pretending to be.
Per wikipedia (varning, klicka inte om du inte vill ha mega spoilers!)
Andrea Andropolous Cullinane is one of the students. She became an amateur wizard in transition, eventually becoming a pretty powerful wizard.
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James Michael Finnegan (a.k.a. Ahira) is one of the students. He is one of the few of them that originally preferred it in the new world (in our world, he was crippled with muscular dystrophy, while there he is a powerful dwarf berserker).