“Reflex,” penned by Steven Gould, delves into the lives of teleporters David and Millie. Within the pages of this novel, David finds himself ensnared by a covert international organization of remarkable sophistication, surpassing even the capabilities of the NSA or FBI. Meanwhile, Millie seeks refuge in the heart of a Texas cliff cave, setting the stage for a tale that explores deep into the mysteries of black holes, teleportation, and tunneling. As the narrative unfolds, David pioneers an innovative teleportation method, aptly named “Twinning,” allowing him to exist in two places simultaneously and facilitating the clandestine transfer of weapons.