Ripper
Stefan Petrucha
Drifter Mage
P. M. F. Johnson
Cougar Desires
Cooper McKenzie
Cougarlicious (3)
The Edge of Night
Jill Sorenson
Kronos
Jeremy Robinson
Origins (5)
Omega
Jeremy Robinson & Kane Gilmour
Jack Sigler (2)
Escape From Kathmandu
Kim Stanley Robinson
Scimitar SL2
Patrick Robinson
Admiral Arnold Morgan (7)
The Shifting Sands
Emily Rodda
Deltora Quest (4)
Dread Mountain
Deltora Quest (5)
The Maze of the Beast
Deltora Quest (6)
The Valley of the Lost
Deltora Quest (7)
Deadweather and Sunrise
Geoff Rodkey
The Chronicles of Egg (1)
Chronicles of Egg: New Lands
The Chronicles of Egg (2)
At the Midway
J. Clayton Rogers
Sword of Allah
David Rollins
Rogue Element
Zip
Ellie Rollins
Subterranean
James Rollins
Deep Fathom
Sigma Guide
Sandstorm
Sigma Force (1)
The Judas Strain
Sigma Force (4)
The Last Oracle: A Sigma Force Novel
Sigma Force (5)
The Doomsday Key
Sigma Force (6)
Bloodline
Sigma Force (8)
The Eye of God
Sigma Force (9)
Map of Bones
Sigma Force Novels (2)
Body Count
J. Rouch
The Zone (9)
The Killing Ground
James Rouch
The Zone (7)
Civilian Slaughter
The Zone (8)
Mirror Image
Jeff Rovin
Tom Clancy's Op-Center (2)
Harry Potter and the Chamber of Secrets
J. K. Rowling
Harry Potter (2)
Harry Potter and the Goblet of Fire
Harry Potter (4)
Harry Potter and the Order of the Phoenix
Harry Potter (5)
Who Cloned the President?
Ron Roy & Liza Woodruff
Capital Mysteries (1)
Passage Graves
Madyson Rush
Take, Burn or Destroy
S. Thomas Russell & Sean Thomas Russell
Adventures of Charles Hayden (3)
Russka: The Novel of Russia
Edward Rutherfurd
The Watchman
Chris Ryan
Agent 21: Reloaded
Agent 21 (2)
Survival
Alpha Force (7)
Flash Flood
Code Red (1)
Alcatraz Versus the Evil Librarians
Brandon Sanderson
Alcatraz (1)
The Impossible Rescue: The True Story of an Amazing Arctic Adventure
Martin W. Sandler
Storm Kings: America's First Tornado Chasers
Lee Sandlin
Leviathan
Jared Sandman
Master's Challenge
Richard Sapir & Warren Murphy
Destroyer (55)
Factoring Humanity
Robert J. Sawyer
The Winter of the Robots
Kurtis Scaletta
A Thousand Suns
Alex Scarrow
Day of the Predator
TimeRiders (1)
Gates of Rome
TimeRiders (5)
The Mayan Prophecy
TimeRiders (8)
The Gladiator
Simon Scarrow
Eagle (9)
Kirov III-Pacific Storm
John Schettler
Kirov Saga (3)
9 Days Falling
Kirov Saga (5)
Waypoint Alaska
Shauna Schober
Waypoint (2)
The Laird's Choice
Amanda Scott
Forgotten Love
Kameron Scott
The Forgotten Chronicles (1)
Duty Bound
Leonard B. Scott
The Magician
Michael Scott
The Secrets of the Immortal Nicholas Flamel (2)
The Sorceress
The Secrets of the Immortal Nicholas Flamel (3)
The Necromancer
The Secrets of the Immortal Nicholas Flamel (4)