Mere Mortals
David Mack
Destiny (2)
Masks
John Vornholt
Star Trek: The Next Generation Numbered (7)
Loyalties
Patricia Barnes-Svarney
Star Trek: The Next Generation Starfleet Academy (10)
Lost Souls
Destiny (3)
Losing the Peace
William Leisner
TNG Unnumbered (42)
Line of Fire
Peter David
Star Trek: The Next Generation Starfleet Academy (2)
The Last Stand
Brad Ferguson
Star Trek: The Next Generation Numbered (37)
The Last Generation #5
IDW
The Last Generation (5)
The Last Generation #4
The Last Generation (4)
The Last Generation #3
The Last Generation (3)
The Last Generation #2
The Last Generation (2)
The Last Generation #1
The Last Generation (1)
Klingon
Dean Wesley Smith & Kristine Kathryn Rusch
Star Trek: The Next Generation (15)
Kahless
Michael Jan Friedman
Star Trek: The Next Generation (16)
I, Q
Peter David & John de Lancie
Star Trek: The Next Generation (1)
Into the Nebula
Gene DeWeese
Star Trek: The Next Generation Numbered (36)
Intellivore
Diane Duane
Star Trek: The Next Generation Numbered (45)
The Insolence of Office
TNG eBook (3)
Infiltrator
W. R. Thompson
Star Trek: The Next Generation Numbered (42)
Imzadi Forever
Signature (4)