The Conjurer's Riddle
by Andrea Cremer
series
genres Young Adult
years 2015
The Assassin's Riddle
by Paul Doherty
series
genres Other7
years 2012
The Demon's Riddle
by Jessica Brown
series
genres Other9
years 2013
The Emperor's Riddle
by Kat Zhang
series
genres Young Adult
years 2017
Kelven's Riddle: The Mountain at the Middle of the World
by Daniel T Hylton
series
genres Other8
years 2007
Witch Hollow and the Fountain Riddle (Book 2)
by I.D. Blind
series
genres Young Adult
years 2013
Gabriel Finley and the Raven’s Riddle
by George Hagen
series
genres Other9
years 2014
The Pony Rider Boys in Texas; Or, The Veiled Riddle of the Plains
by Frank Gee Patchin
series
genres Childrens
years 2006
Riddle of the Prairie Bride
by Kathryn Reiss
series
genres Young Adult
years 2007
Riddle of the Seven Realms
by Lyndon Hardy
series
genres Other10
years 1987
Riddle of the Seven Realms m-3
by Lyndon Hardy
series Magics
genres Other11
years 2000
Blotto, Twinks and Riddle of the Sphinx
by Simon Brett
series
genres Other11
years 2013
The Last Starship
by Marcus Riddle
series
genres Other11
years 2016
The Painted Ponies of Partequineus and The Summer of the Kittens
by Peter H. Riddle
series
genres Other11
years 2012
The Solar War (The Long Winter Book 2)
by A. G. Riddle
series
genres Science
years 2019
The Extinction Files Box Set
by A. G. Riddle
series The Extinction Files
genres Science
years 2019
The Atlantis Trilogy Box Set- The Complete Series
by A. G. Riddle
series The Atlantis Trilogy
genres Science
years 2019
Pandemic (The Extinction Files Book 1)
by A. G. Riddle
series
genres Science
years 2017
Genome (The Extinction Files Book 2)
by A. G. Riddle
series
genres Science
years 2017
The Changer's Key
by Kent Davis
series Riddle in Ruby
genres Other4
years 2016