Reviews of [i]Davy[/i] by Edgar Pangborn; [i]Orphans of the sky[/i] by Robert A. Heinlein; [i]The Seventh Galaxy Reader[/i] edited by Frederik Pohl; [i]The Time Lockers[/i] by Wallace West; [i]The Mystery of the Expanding Universe[/i] by William Bonnor; [i]Sturgeon in Orbit[/i] by Theodore Sturgeon; [i]Human and Other Beings[/i] edited by Allen De Graeff; [i]The Unknown Five[/i] edited by D. R. Benson; [i]Great Science Fiction Adventures[/i] edited by Larry T. Shaw; [i]Dimension 4[/i] edited by Groff Conklin; and [i]A Star Called the Sun[/i] by George Gamow.