Ace

Dr Who Prisoners of Time Volume One by Scott Tipton

Star Trek The Next Generation - Hive by Brannon Braga, Travis Fickett, and Terry Matalas

The Roswell Conspiracy by Boyd Morrison

Absorption by John Meaney

Bloodline by Claudia Gray

Artemis by Andy Weir

The Age of Miracles by Karen Thompson Walker

The Time Traveler's Wife by Audrey Niffenegger and Audrey Neffenegger

Neverwhere by Neil Gaiman

Beyond Infinity by Gregory Benford

Delirium by Lauren Oliver

Save the Pearls by Victoria Foyt

Night of the Living Trekkies by Kevin David Anderson and Sam Stall

Wool by Hugh Howey

Star Wars: Invasion by Tom Taylor

Matched by Ally Condie

Doctor Who and the Auton Invasion by Terrance Dicks

Imzadi by Peter David

A Mutiny in Time by James Dashner

I, Robot by Isaac Asimov

Day 21 by Kass Morgan

Paddy McCann, Time Shifter by Bronwyn Blake

Slaughterhouse 5 by Kurt Vonnegut

I Am Number Four by Pittacus Lore