The encounter

Sunset of the Sabertooth 7

Mary Pope Osborne

The pretender

K.A Applegate

The Viper`s nest 7

Peter Lerangis

Into the gauntlet 10

Margare Peterson Haddix

Among the Hidden (1)

Peterson Margaret Haddix

The EDGE

Roland Smith

Ender's Game

Scott Orson Card

BETWEEN TWO WORLDS

STEPHEN RABLEY

Alien Vs. Predator

ON THE EDGE

GILIAN CROSS

Aliens at Paradise High

Annie Dalton

The Third Planet from Altair

Edward Packard

Animorphs : The Suspicion

K.A Applegate

Allegiant (3)

Veronica Roth

The Power of Six (2)

Pittacus Lore

The Angel Experiment

James Patterson

Among the Impostors (2)

Peterson Margaret Haddix

My Teacher is an Alien

Bruce Coville

The secret

K.A Applegate