David Grinnell)Across Time (1968) G-730 SF Alan E. Nourse Psi High And Others (1968) G-733 SF Edgar Rice Burroughs At the Earth's Core (1968) G-734 SF Edgar Rice Burroughs Pellucidar (1968) G-735 SF Edgar Rice Burroughs Tanar Of Pellucidar (1968) G-736 SF Edgar Rice Burroughs Tarzan At The Earth's Core (1968) G-737 SF Edgar Rice Burroughs Back to the Stone Age (1968) G-738 SF Edgar Rice Burroughs Land of Terror (1968) G-739 SF Edgar Rice Burroughs Savage Pellucidar (1968) G-740 SF Fred Saberhagen The Broken Lands (1968) G-745 SF Edgar Rice Burroughs The Moon Maid (1968) G-748 SF Edgar Rice Burroughs The Moon Men (1968) G-753 SF Alan Garner The Moon of Gomrath (1968) G-756 SF Alexei Panshin Star Well (1968) G-758 SF Thomas Burnett Swann Moondust (1968) G-761 SF John Brunner Catch A Falling Star (1968) G-762 SF Alexei Panshin The Thurb Revolution (1968) G-766 SF Edmond Hamilton World of the Starwolves: Starwolf #3 (1968) H Series H-15 SF Donald A. Wollheim and Terry Carr (eds.) The World's Best Science Fiction (1966) H-18 SF Jefferson Howard Sutton H-Bomb Over America (1966) H-19 SF Frederik Pohl (ed.) The If Reader of Science Fiction (1966) H-26 SF Avram Davidson (ed.) The Best From Fantasy And Science Fiction, 13th Series (1967) H-30 SF Clifford D. Simak City (1967) H-33 SF Andre Norton Moon of Three Rings (1967) H-38 SF Fritz Leiber The Swords of Lankhmar (1968) H-39 SF Philip K. Dick Eye in the Sky (1968) H-41 SF Jules Verne Into The Niger Bend (1968) H-42 SF Clifford D. Simak Why Call Them Back From Heaven? (1968) H-43 SF Jules Verne The City in the Sahara (1968) H-49 SF Jules Verne The Begum's Fortune (1968) H-52 SF Jules Verne Yesterday and Tomorrow (1968) H-54 SF R. A. Lafferty Past Master (1968) H-58 SF Gertrude Friedberg The Revolving Boy (1968) H-60 SF Jules Verne Carpathian Castle (1968) H-62 SF Wilson Tucker The Lincoln Hunters (1968) H-67 SF Jules Verne The Village in the Treetops (1968) H-72 SF Joanna Russ Picnic on Paradise (1968) H-73 SF Fritz Leiber Swords Against Wizardy (1968) H-78 SF Jules Verne The Hunt for the Meteor (1968) H-79 SF Bob Shaw The Two-Timers (1968) H-84 SF Andre Norton Sorceress of the Witch World (1968) H-86 SF D. G. Compton Synthajoy (1968) H-89 SF John Macklin Dimensions Beyond The Unknown H-90 SF Fritz Leiber Swords in the Mist (1968) H-92