Micro Mage

Alexa, a decent student at the University of magic, on assignment from the school's management, went with her friends to a quiet remote town in search of a mysterious thief. Who, as it later turns out, has mastered the ancient knowledge of shrink magic. The company could not figure out the robber and they were still allowed to return back, only Alexa did not tell anyone that she was on the trail of the thief and with the help of the book of magic that he left when trying to escape.