Our 95th issue has a lot of fun stuff—starting off with a pair of original mysteries by Robert Lopresti and Mindy Quigley (thanks to Acquiring Editors Michael Bracken an Barb Goffman). Also on the mystery side, we have a pair of classic novels by Hulbert Footner R. Austin Freeman, plus a solve-it-yourself puzzler from Hal Charles.On the fantastic side of things, A.R. Morlan has a modern tale of clones, Alfred Coppel has a scientific monster, Seabury Quinn has a weird horror, and Fr...

This superlative collection of futuristic tales explores ground-breaking supernatural themes from the founding heroes of the science-fiction genre. The short story form is perfect for capturing the atmospheric tension of these legendary stories.This collection includes the following stories:"The Door in the Wall" by H. G. Wells—A man must choose between the rationality of science and the magic of imagination."All Cats Are Gray" by Andre Norton—A down-on-his-luck spaceman an...

This volume is dedicated to the memory of Sergey Naboko (1950-2020). In addition to original research contributions covering the vast areas of interest of Sergey Naboko, it includes personal reminiscences and comments on the works and legacy of Sergey Naboko’s scientific achievements. Areas from complex analysis to operator theory, especially, spectral theory, are covered, and the papers will inspire current and future researchers in these areas.