Light Can Be Both Wave and Particle is framed by stories about Rhoda Manning. The first, actually a group of three brief stories about Rhoda's youth in Seymour, Indiana, during World War II, is balanced by a more sustained story at the end of the collection describing Rhoda's adventures in Mexico with her brother, Dudley, and her cousin, Saint John. These three characters have reached their mid-fifties, but there is a youthful exuberance and recklessness at the beginning of their foray into Mexico. That they have lost little of their zest for life is probably indicative of their vitality and spontaneity as well as the enduring importance of childhood experiences for all three of them. Playing hookey from the responsibilities of adulthood, they indulge in what begins as a carefree escape. At a bullfight Rhoda meets and makes a date with the hero of...