Biggles in the Underworld
by Captain W E Johns
series Biggles
genres Romance
years 2011
Wars of the Underworld
by Olivia Ash
series
genres Other3
years 2018
Voyages in the Underworld of Orpheus Black
by Marcus Sedgwick
series
genres Young Adult
years 2019
Welcome to the Underworld (A Welcome to the Underworld Novel, Book 1)
by Con Template
series
genres Romance
years 2013
Empress of the Underworld
by Gilbert L. Morris
series
genres Other4
years 2011
Tales from the Underworld
by Hans Fallada
series
genres Fiction
years 2013
Hounds of the Underworld (The Path of Ra Book 1)
by Dan Rabarts
series
genres Other5
years 2017
Lady of the Underworld
by Skyler Andra
series Operation Hades
genres Other
years 2019
Blood of the Underworld
by David Dalglish
series The Watcher's Blade
genres Fantasy
years 2012
Biggles in the Underworld
by W E Johns
series
genres Other7
years 2011
Proteus in the Underworld
by Charles Sheffield
series
genres Other7
years 1995
Charlie in the Underworld
by Charlie Small
series
genres Other8
years 2014
Felix in the Underworld
by John Mortimer
series
genres Other9
years 2005
Queen of the Underworld
by Helen Scott
series Cerberus
genres Other9
years 2018
Kitty in the Underworld (Kitty Norville)
by Vaughn, Carrie
series
genres Other10
years 2013
Welcome to the Underworld (A Welcome to the Underworld Novel, Book 1)
by Template, Con
series
genres Other10
years 2013
Feros and the Underworld Prince
by A. L. Bridges
series
genres Fantasy
years 2005
Lords of the Underworld Bundle
by Gena Showalter
series
genres Romance
years 2008
Proteus in the Underworld p-4
by Charles Sheffield
series Proteus
genres Other10
years 1995
Blood of the Underworld twb-1
by David Dalglish
series The Watcher's blade
genres Fantasy
years 2004