Robert Louis Stevenson | Robert De Niro | Robert E. Lee | Robert Mugabe | Robert Redford | Robert Burns | Robert Bosch GmbH | Robert | Robert A. Heinlein | Robert Schumann | Robert Browning | Robert Rauschenberg | Robert Plant | Jackie Gleason | Robert Altman | Robert Mitchum | Robert Frost | Robert Southey | Robert F. Kennedy | Robert Maxwell | Robert Graves | Robert E. Howard | Robert Fripp | Robert Fisk | Robert Rodriguez | Robert Motherwell | Robert Lowell | Robert Johnson | Robert Duvall | Robert Boyle |
Additional books in the series (Aztec Blood, 2002; Aztec Rage, 2006; Aztec Fire, 2008, Aztec Revenge, 2012) were written by Robert Gleason, Jennings' former editor, and Junius Podrug, working from notes left by Jennings.