Which science fiction book?

[NCC1701]

Hey guys, I'm found an auction for two sci-fi books on my country's version of Ebay, now I already know I want Challenger's Hope from the following list of books, keeping in mind my choice, which other book would you recommend I pick? Im not really familiar with any of the other choices:

by Jack Dann
The Man Who Melted

by Roxann Dawson & Daniel Graham
Tenebrea's Hope

by John DeChance
Paradox Alley

by Lester Del Rey
Moon of Mutiny
Outpost of Jupiter
Seige Perilous
The Mysterious Planet
Nerves

by Dean Devlin & Ronald Emmerich
Independence Day
Independence Day: War in the Desert

by Gordon R Dickson
Ancient, My Enemy
The Stranger
Sleepwalkers World
The Man The Worlds Rejected
The Last Master
Steel Brother
Invaders
The Pritcher Mass
Survival
Hour of the Horde
The Alien Way
Dorsai!
Lost Dorsai
Time Storm
The Far Call
Time to Teleport/Delusion World

by Stephen Donaldson
1 The Gap into Conflict: The Real Story
5 The gap Into Ruin: This Day All Gods Die

By Debra Doyle & James D MacDonald
Requiem for Boone

By David Drake
Lacey and his Friends

By Saul Dunn
The Cabal
The Cabal Vol 2:The Black Moon

by Greg Egan
Permutation City

by M J Engh
Wheel of the Winds

by Christopher Evans
Aztec Century

by Philip Jose Farmer
Tales of Riverworld

by Mick Farren
Mars- The Red Planet

by David Feintuch
Challenger's Hope

by William R Forstchen
The Alexandrian Ring
Ice Prophet
The Flame Upon the Ice

by Robert L Forword
Starquake

By Alan Dean Foster
Icerigger
Dark Star
Cachalot
Sentenced to Prism
Codgerspace
A Call to Arms
Aliens

by Cheryl J Franklin
The Inquisitor
Fire Crossing
The Light In Exile

by C S Friedman
This Alien Shore

by Valerie J Freireich
The Beacon

Help would be much appreciated!

 

[Mistral]

Get Dorsai! By Dickinson. Excelllent, rich and in depth world he creates. Fascinating story(s).