13 - Thuvia, Maid of Mars (version 2) by Edgar Rice Burroughs

In this thrilling tale, John Carters son, Carthoris, finds himself deeply in love with Thuvia of Ptarth, a woman promised to another. When Thuvia is kidnapped by a mysterious third party, Carthoris becomes the prime suspect in her disappearance. Driven by love and honor, he embarks on a relentless quest to rescue her and reunite her with her fiancé. Along the way, the story unfolds a fascinating philosophical framework and fringe science that challenges our understanding of reality itself. (Summary by Thomas Copeland)