Fletcher Pratt and L.Sprague deCamp were well-known authors of science fiction and fantasy in the Golden Age. Separately they both produced well-respected works for many years. But together they created something truly amazing: the world of the Mathematics of Magic, featuring Harold Shea and Reed Chalmers – two masters of mathematical logic who theorize that mathematics and logic and perception dominate reality, and thus if one can encode the logic of a particular world into one's calculations, one could in theory travel to the [ Continue reading... ]