Ranma 1/2 12 - Turtleback School & Library Binding Edition - Ranma 1/2 Tb Author:Rumiko Takahashi FOR USE IN SCHOOLS AND LIBRARIES ONLY. Follows the adventures of half-boy, half-girl martial artist Ranma, whose transforming gender problems began at the Accursed Springs in China, when he became cursed to turn into a girl when splashed with cold water, and back into a boy with hot water.