Editoras Positronic Publishing

Cover for Harry Harrison · Planet of the Damned (Paperback Book) (2015)

Planet of the Damned (2015)

Cover for Harry Harrison · Deathworld 2 (Paperback Book) (2015)

Deathworld 2 (2015)

Cover for Harry Harrison · The K-factor (Paperback Book) (2015)

The K-factor (2015)

Cover for Andre Norton · Rebel Pride (Paperback Book) (2015)

Rebel Pride (2015)

Cover for Andre Norton · The Time Traders (Paperback Book) (2015)

The Time Traders (2015)

Cover for Andre Norton · The Defiant Agents (Paperback Book) (2015)

The Defiant Agents (2015)

Cover for Andre Norton · Key Out of Time (Paperback Book) (2015)

Key Out of Time (2015)

Cover for Andre Norton · Adventures in Time (Paperback Book) (2015)

Adventures in Time (2015)

Cover for Andre Norton · Storm over Warlock (Paperback Book) (2015)

Storm over Warlock (2015)

Cover for Andre Norton · Star Hunter (Paperback Book) (2015)

Star Hunter (2015)

Cover for Andre Norton · Star Born (Paperback Book) (2015)

Star Born (2015)

Cover for Andre Norton · Ralestone Luck (Paperback Book) (2015)

Ralestone Luck (2015)

Cover for Andre Norton · The People of the Crater (Paperback Book) (2015)

The People of the Crater (2015)

Cover for Andre Norton · Voodoo Planet (Paperback Book) (2015)

Voodoo Planet (2015)

Cover for Andre Norton · Plague Ship (Paperback Book) (2015)

Plague Ship (2015)

Cover for Andre Norton · The Voyages of the Solar Queen (Paperback Book) (2015)

The Voyages of the Solar Queen (2015)

Cover for Andre Norton · Andre Norton Super Pack (Paperback Book) (2015)

Andre Norton Super Pack (2015)

Cover for Frederik Pohl · Adventures in Time and Space (Paperback Book) (2015)

Adventures in Time and Space (2015)

Cover for Frederik Pohl · The Day of the Boomer Dukes (Paperback Book) (2015)

The Day of the Boomer Dukes (2015)

Cover for Frederik Pohl · The Tunnel Under The World (Paperback Book) (2015)

The Tunnel Under The World (2015)

Cover for Frederik Pohl · The Knights of Arthur (Paperback Book) (2015)

The Knights of Arthur (2015)

Cover for Marion Zimmer Bradley · Falcons of Narabedla (Paperback Book) (2015)

Falcons of Narabedla (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · The Dark Intruder (Paperback Book) (2015)

The Dark Intruder (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · Death Between the Stars (Paperback Book) (2015)

Death Between the Stars (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · Treason of the Blood (Paperback Book) (2015)

Treason of the Blood (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · The Planet Savers (Paperback Book) (2015)

The Planet Savers (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · The Wild One (Paperback Book) (2015)

The Wild One (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · The Wind People (Paperback Book) (2015)

The Wind People (2015)

Marion Zimmer Bradley

Cover for Marion Zimmer Bradley · Marion Zimmer Bradley Super Pack (Paperback Book) (2015)

Marion Zimmer Bradley Super Pack (2015)

Marion Zimmer Bradley

Cover for Frederik Pohl · Preferred Risk (Paperback Book) (2015)

Preferred Risk (2015)

Cover for Frederik Pohl · Frederik Pohl Super Pack (Paperback Book) (2015)

Frederik Pohl Super Pack (2015)

Cover for Mary Macgregor · Stories of King Arthur's Knights Told to the Children by Mary MacGregor (Paperback Book) (2015)

Stories of King Arthur's Knights... (2015)

Cover for Mark Twain · A Connecticut Yankee In King Arthur's Court (Paperback Book) (2015)

A Connecticut Yankee In King Art... (2015)

Cover for U. Waldo Cutler · Stories of King Arthur and His Knights (Paperback Book) (2015)

Stories of King Arthur and His K... (2015)

U. Waldo Cutler

Cover for Henry Gilbert · King Arthur's Knights The Tales Re-Told for Boys & Girls (Paperback Book) (2015)

King Arthur's Knights The Tales ... (2015)

Cover for Thomas Wentworth Higginson · Tales of the Enchanted Islands of the Atlantic (Paperback Book) (2016)

Tales of the Enchanted Islands o... (2016)

Thomas Wentworth Higginson

Cover for Beatrice Clay · Stories from Le Morte D'arthur and the Mabinogion (Paperback Book) (2016)

Stories from Le Morte D'arthur a... (2016)

Cover for Jessie L Weston · Sir Gawain and the Lady of Lys (Paperback Book) (2016)

Sir Gawain and the Lady of Lys (2016)

Jessie L Weston

Cover for Rupert S Holland · King Arthur and the Knights of the Round Table (Paperback Book) (2016)

King Arthur and the Knights of t... (2016)

Rupert S Holland

Cover for George Parker Bidder · Merlin's Youth (Paperback Book) (2016)

Merlin's Youth (2016)

George Parker Bidder

Cover for Jessie Weston · Sir Gawain and the Green Knight (Paperback Book) (2016)

Sir Gawain and the Green Knight (2016)

Cover for Geoffrey Junior · The Marvellous History of King Arthur in Avalon (Paperback Book) (2016)

The Marvellous History of King A... (2016)

Geoffrey Junior

Cover for Charlton Miner Lewis · Gawayne and the Green Knight (Paperback Book) (2016)

Gawayne and the Green Knight (2016)

Charlton Miner Lewis

Cover for Sir Thomas Malory · The Adventures of Sir Gawain (Paperback Book) (2016)

The Adventures of Sir Gawain (2016)

Sir Thomas Malory

Cover for Lord Alfred Tennyson · A Book of Merlin (Paperback Book) (2016)

A Book of Merlin (2016)

Lord Alfred Tennyson

Cover for Philip José Farmer · The Green Odyssey (Paperback Book) (2016)

The Green Odyssey (2016)

Philip José Farmer

Cover for Howard Pyle · The Story of Sir Launcelot and His Companions (Paperback Book) (2016)

The Story of Sir Launcelot and H... (2016)

Cover for Howard Pyle · King Arthur and His Knights (Paperback Book) (2016)

King Arthur and His Knights (2016)

Cover for Howard Pyle · The Story of the Grail and the Passing of Arthur (Paperback Book) (2016)

The Story of the Grail and the P... (2016)

Cover for Alan E Nourse · Consignment (Paperback Book) (2016)

Consignment (2016)

Cover for Alan E Nourse · Bear Trap (Paperback Book) (2016)

Bear Trap (2016)

Cover for Alan E Nourse · Star Surgeon (Paperback Book) (2016)

Star Surgeon (2016)

Cover for Alan E Nourse · Brightside Crossing (Paperback Book) (2016)

Brightside Crossing (2016)

Cover for Alan E Nourse · A Man Obsessed (Paperback Book) (2016)

A Man Obsessed (2016)

Cover for Alan E Nourse · The Dark Door (Paperback Book) (2016)

The Dark Door (2016)

Cover for Alan E Nourse · Gold in the Sky (Paperback Book) (2016)

Gold in the Sky (2016)

Cover for Alan E Nourse · Second Sight (Paperback Book) (2016)

Second Sight (2016)

Cover for Alan E. Nourse · Image of the Gods (Paperback Book) (2016)

Image of the Gods (2016)

Cover for Alan E Nourse · The Coffin Cure (Paperback Book) (2016)

The Coffin Cure (2016)

Cover for Murray Leinster · The Sentimentalists (Paperback Book) (2016)

The Sentimentalists (2016)

Murray Leinster

Cover for Richard Matheson · The Waker Dreams (Paperback Book) (2016)

The Waker Dreams (2016)

Richard Matheson

Cover for Clifford D Simak · Second Childhood (Paperback Book) (2016)

Second Childhood (2016)

Clifford D Simak

Cover for Murray Leinster · Med Ship Man (Paperback Book) (2016)

Med Ship Man (2016)

Murray Leinster

Cover for William Tenn · Of All Possible Worlds (Paperback Book) (2016)

Of All Possible Worlds (2016)

Cover for Hal Clement · Hot Planet (Paperback Book) (2016)

Hot Planet (2016)

Cover for Katherine MacLean · Contagion (Paperback Book) (2016)

Contagion (2016)

Katherine MacLean

Cover for Alan E Nourse · Letter of the Law (Paperback Book) (2016)

Letter of the Law (2016)

Cover for Alan E Nourse · The Link (Paperback Book) (2016)

The Link (2016)

Cover for Alan E Nourse · Meeting of the Board (Paperback Book) (2016)

Meeting of the Board (2016)

Cover for Fritz Leiber · Coming Attraction (Paperback Book) (2016)

Coming Attraction (2016)

Cover for William Tenn · The Men in the Walls (Paperback Book) (2016)

The Men in the Walls (2016)

Cover for Fritz Leiber · Yesterday House (Paperback Book) (2016)

Yesterday House (2016)

Cover for Alan E Nourse · The Native Soil (Paperback Book) (2016)

The Native Soil (2016)

Cover for Fritz Leiber · Appointment in Tomorrow (Paperback Book) (2016)

Appointment in Tomorrow (2016)

Cover for William Tenn · Venus Is a Man's World (Paperback Book) (2016)

Venus Is a Man's World (2016)

Cover for Alan E Nourse · PRoblem (Paperback Book) (2016)

Cover for Alan E Nourse · Infinite Intruder (Paperback Book) (2016)

Infinite Intruder (2016)

Cover for Alan E Nourse · Contamination Crew (Paperback Book) (2016)

Contamination Crew (2016)

Cover for Alan E Nourse · Martyr (Paperback Book) (2016)

Cover for Alan E. Nourse · Derelict (Paperback Book) (2016)

Derelict (2016)

Cover for Alan E. Nourse · Peacemaker (Paperback Book) (2016)

Peacemaker (2016)

Cover for Alane E. Nourse · Alan E. Nourse Super Pack (Paperback Book) (2016)

Alan E. Nourse Super Pack (2016)

Alane E. Nourse

Cover for Poul Anderson · Inside Earth (Paperback Book) (2016)

Inside Earth (2016)

Cover for Katherine Maclean · Pictures Don't Lie (Paperback Book) (2016)

Pictures Don't Lie (2016)

Katherine Maclean

Cover for Philip K Dick · Space Science Fiction Super Pack (Paperback Book) (2016)

Space Science Fiction Super Pack (2016)

Cover for C M Kornbluth · The Marching Morons (Paperback Book) (2016)

The Marching Morons (2016)

Cover for Poul Anderson · Security (Paperback Book) (2016)

Security (2016)

Cover for Lester Del Rey · Let 'em Breathe Space! (Paperback Book) (2016)

Let 'em Breathe Space! (2016)

Cover for Lester Del Rey · Pursuit (Paperback Book) (2016)

Cover for Damon Knight · The Worshippers (Paperback Book) (2016)

The Worshippers (2016)

Cover for Henry Kuttner · The Ego Machine (Paperback Book) (2016)

The Ego Machine (2016)

Cover for H Beam Piper · Ullr Uprising (Paperback Book) (2016)

Ullr Uprising (2016)

Cover for Fletcher Pratt · Wonder Stories Super Pack (Paperback Book) (2016)

Wonder Stories Super Pack (2016)

Cover for Keith Laumer · End as a Hero (Paperback Book) (2016)

End as a Hero (2016)

Cover for Allen M Steele · Fantastic Stories Presents: Science Fiction Super Pack #2 (Paperback Book) (2016)

Fantastic Stories Presents: Scie... (2016)

Cover for Murray Leinster · Nightmare Planet (Paperback Book) (2016)

Nightmare Planet (2016)

Murray Leinster

Cover for Judith Merril · Exile from Space (Paperback Book) (2016)

Exile from Space (2016)

Cover for H Beam Piper · Flight From Tomorrow (Paperback Book) (2016)

Flight From Tomorrow (2016)

Cover for Poul Anderson · Sentiment, Inc, (Paperback Book) (2016)

Sentiment, Inc, (2016)

Cover for Frederik Pohl · My Lady Greensleeves (Paperback Book) (2016)

My Lady Greensleeves (2016)