Browse 1 Edition of The World Turned Upside Down by Poul Anderson and Christopher Anvil and Isaac Asimov and Fredric Brown and L. Sprague de Camp and John W. Campbell Jr. and Arthur C. Clarke and Gordon R. Dickson and Chester S. Geier and Robert Ernest Gilbert and Tom Godwin and Lee Gregor and Wyman Guin and Robert A. Heinlein and C.M. Kornbluth and Fritz Leiber and Keith Laumer and Murray Leinster and P. Schuyler Miller and C.L. Moore and H. Beam Piper and Rick Raphael and Ross Rocklynne and James H. Schmitz and Robert Sheckley and Michael Sharra and Theodore Sturgeon and Jack Vance and A.E. van Vogt