Spider Robinson Related books Callahan's Crosstime Saloon Tor Books • 1999 Callahan's Key (Bantam Spectra Book) Bantam Dell Pub Group • 2000 Callahan's Legacy Tor Books • 1997 Callahan's Secret (Callahan's Crosstime Saloon Series) Tor Science Fiction • 2002 Deathkiller Pocket Books • 1996 Lifehouse Pocket Books • 1997 The Callahan Chronicals Tor Books • 1997 The Callahan Touch Berkley Pub Group • 1995 Time Pressure Random House Value Publishing • 1992 User Friendly Pocket Books • 1998