If a tree falls in the forest and no one is there to hear it, does it make a sound-or was the tree ever there at all?This book unfolds as a dialogue between two minds: Gene, the realist, and Abraham, the idealist. Across sixteen conversations, they wrestle with one of philosophy's oldest questions: is reality made of matter or of mind? Are trees and cappuccinos truly physical objects composed of atoms or are they manifestations of consciousness itself?As Gene and Abraham pr...