By Gill, David Macinnis 

On the planet Mars, sixteen-year-old Durango and his crew of mercenaries are hired by the settlers of a mining community to protect their most valuable resource from a feral band of marauders.

By Baker, Kage  This excellent collection brings together 14 of Baker's short stories about "The Company." Select humans have been plucked from various times and turned into enhanced, immortal, time-traveling cyborgs, programmed to do the shadowy bidding of the profit-loving Company.

By DePrau, Jeanne 

It is always night in the city of Ember. But there is no moon, no stars. The only light during the regular twelve hours of "day" comes from flood-lamps that cast a yellowish glow over the streets of the city. Beyond are the pitch-black Unknown Regions, which no one has ever explored because an understanding of fire and electricity has been lost, and with it the idea of a Moveable Light. But now there are more and more times when the lights flicker and go out, leaving them in terrifying blackness for long minutes. What will happen when the generator finally fails?

By Falls, Kat 

The oceans rose, swallowing the lowlands. Earthquakes shattered the continents, toppling entire regions into the rising water. Now, humans live packed into stack cities. The only ones with any space of their own are those who live on the ocean floor: the Dark Life.

Ty has spent his whole life living deep undersea. When outlaws attack his homestead, he finds himself in a fight to save the only home he has ever known. Joined by Gemma, a girl from Topside, Ty ventures into the frontier's rough underworld and discovers some dark secrets to Dark Life. Secrets that threaten to destroy everything.

By Haddix, Margaret Peterson  Thirteen-year-old Bethany's parents have always been overprotective, but when they suddenly drop out of sight with no explanation, leaving her with an aunt she never knew existed, Bethany uncovers shocking secrets that make her question everything she thought she knew about herself and her family.

By Shusterman, Neil 

Beneath the sewer grates and manholes of the city lies a strange and secret world called the Downside. Every Downsider knows that it's forbidden to go Topside, and most fear a collision of the two worlds. But fourteen-year-old Talon is curious about what goes on above ground, and one day he ventures out in search of medicine for his ailing sister.

By Halam, Ann  When their plane crashes over the Pacific Ocean, three science students are left stranded on a tropical island and then imprisoned by a doctor who is performing horrifying experiments on humans involving the transfer of animal genes.

By Anderson, M.T  In a future where most people have computer implants in their heads to control their environment, a boy meets an unusual girl who is in serious trouble.