John Betancourt

Black Cat Mystery Magazine #5

Black Cat Mystery Magazine #5

Year unknown

Buckaroo of Blue Wells

Buckaroo of Blue Wells

Year unknown W. C. Tuttle and John Betancourt

Drums of Dambala

Year unknown H. Bedford-Jones and John Betancourt

Emperor's Detective

Emperor's Detective

Year unknown Percy Andreæ and John Betancourt

Half a Million Ranson

Half a Million Ranson

Year unknown Nicholas Carter and John Betancourt

Hashknife and the Fantom Riders

Hashknife and the Fantom Riders

Year unknown W. C. Tuttle and John Betancourt

Hunt the Killer

Hunt the Killer

Year unknown Day Keene and John Betancourt

Mammoth Book of New Sherlock Holm...

Mammoth Book of New Sherlock Holmes Adventures Presents 'the Adventure of the Amateur Mendicant Society'

Year unknown John Betancourt and Johnathan Betancourt

Maracot Deep

Maracot Deep

Year unknown Arthur Conan Doyle and John Betancourt

Margaret St. Clair Science Fiction MEGAPACK(R)

Year unknown Margaret St. Clair and John Betancourt

Murder in black letter

Year unknown Poul Anderson and John Betancourt

Peter the Brazen

Peter the Brazen

Year unknown

Pit and the pendulum

Year unknown

Pressing Peril

Year unknown Nicholas Carter and John Betancourt

Pulp Classics

Year unknown

Robot God and Other Strange Creat...

Robot God and Other Strange Creations

Year unknown Ray Cummings and John Betancourt

Satan's Daughter and Other Tales from the Pulps

Year unknown E. Price, John Betancourt, Darrell Schweitzer, E. Hoffmann Price, and E. Hoffman Price

Serve it forth

Year unknown

Sign of the Dragon

Sign of the Dragon

Year unknown Eddy, C. M., Jr. and John Betancourt

Sin Street

Sin Street

Year unknown Bob Bristow and John Betancourt

Slab's Tavern and other uncanny places

Year unknown

Stories in the Dark

Stories in the Dark

Year unknown Barry Pain and John Betancourt

The Best of Weird Tales

Year unknown

The Mammoth Book of New Sherlock Holmes Adventures

Year unknown Michael Ashley, Derek Wilson, Peter Berresford Ellis, Claire Griffen, Edward D. Hoch, David Stuart Davies, Barbara Roden, John Betancourt, Denis O. Smith, Guy N. Smith, Eric Brown, Roger Johnson, Amy Myers, Simon Clark, Michael Moorcock, Robert Weinberg, Stephen Baxter, Peter Crowther, Lois H. Gresh, Basil Copper, H. R. F. Keating, David Langford, Martin Edwards, Michael Doyle, Zakaria Erzinçlioglu, F. Gwynplaine MacIntyre, and L. B. Greenwood

The Seal of Gijon

The Seal of Gijon

Year unknown Nicholas Carter and John Betancourt

The Ultimate Alien

Year unknown Byron Preiss, John Betancourt, Keith R. A. DeCandido, Liz Holliday, Mike Resnick, Nick Dichario, Arthur C. Clarke, S. P. Somtow, Robert Silverberg, Mel Gilden, Anne McCaffrey, Lawrence Watt-Evans, Edward Gorman, Don D'Ammassa, Peter Crowther, Karen Haber, Carol Carr, Lynn D. Crosson, Ron Dee, and Nina Kiriki Hoffman

The Ultimate Dragon

Year unknown Byron Preiss, John Betancourt, and Keith R. A. DeCandido

The Ultimate Undead

Year unknown Anne Rice, Byron Preiss, John Gregory Betancourt, John Betancourt, S. P. Somtow, Geoffrey A. Landis, Robert Silverberg, Kevin J. Anderson, Chelsea Quinn Yarbro, Matthew J. Costello, Alan Rodgers, Lawrence Watt-Evans, Larry Tritten, John Brunner, Harlan Ellison, Don D'Ammassa, A.R. Morlan, Karen Haber, Rick Hautala, Brian Hodge, William, Jr. Relling, Frances A. McMahan, D. F. Lewis, Robert Weinberg, Lionel Fenn, Gene Wolfe, Nina Kiriki Hoffman, Kevin J. Anderson, Matthew J. Costello, Don D'Ammassa, D.F. Lewis, William Relling Jr., S.P Somtow, and Robert Weinberg

The Ultimate witch

Year unknown Byron Preiss and John Betancourt

The Ultimate Zombie

Year unknown Byron Preiss, John Betancourt, S. P. Somtow, Anne Rice, Geoffrey A. Landis, Robert Silverberg, Kevin J. Anderson, Chelsea Quinn Yarbro, Matthew J. Costello, Alan Rodgers, Lawrence Watt-Evans, Larry Tritten, John Brunner, Harlan Ellison, Don D'Ammassa, A.R. Morlan, Karen Haber, Rick Hautala, Brian Hodge, William, Jr. Relling, Frances A. McMahan, D. F. Lewis, Robert Weinberg, Lionel Fenn, Gene Wolfe, Nina Kiriki Hoffman, John Gregory Betancourt, Kevin J. Anderson, Matthew J. Costello, Don D'Ammassa, D.F. Lewis, William Relling Jr., S.P Somtow, and Robert Weinberg

Tom Swift and His Airline Express

Tom Swift and His Airline Express

Year unknown Victor Appleton and John Betancourt

Trumpets West!

Year unknown Luke Short and John Betancourt