Thuvia, Maid of Mars
Edgar Rice Burroughs
Barsoom (4)
The Thursday Toads
A. M. Lightner
Thunder Strike!
Michael McCollum
ThunderStar
Tony Chandler
Thunderland
Brandon Massey
Thunderhead
Douglas Preston & Lincoln Child
Thunderbird Falls
C. E. Murphy
The Walker Papers (2)
A Thunder of Stars
Dan Morgan & John Kippax
Venturer Twelve (1)
Thunder in the East
Mack Maloney
Wingman (4)
Thunder and Ashes
Z. A. Recht
The Morningstar Strain (2)
Thumbkin, Caesar, Princess, and Troll
Mary A. Turzillo
Thud!
Terry Pratchett
Discworld (34)
Throy
Jack Vance
Cadwal Chronicles (3)
Throwback
Guy N. Smith
Through Wolf's Eyes
Jane Lindskold
The Firekeeper Saga (1)
Through Violet Eyes
Stephen Woodworth
Violet Eyes (1)
Through the Veil
Michael Thomas Ford
Circle of Three (9)
Through the Shaving Mirror
Michael Moorcock & Maurice Richardson
Through the Reality Warp
Donald J. Pfeil