A book exploring the laws of parallel worlds from a quantum mechanical perspective. Title: The Quantum Mechanical Laws of Parallel Worlds That Change Phenomena Author: Daisuke Muramatsu Features: Includes a handwritten signature Price: 1400 yen Crease on the spread Some stains and scratches (see photo 4) Some stains, scratches, and a small hole on the cover (see photo 5) The inside is clean. Thank you.