In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.

"Hugh's anger boiled as he hurried down the gravel road. He was angry at Darielle for breaking up with Smokey; he was angry at Smokey for not telling him, and for not having the sense to adjust their plans when his girlfriend backed out. Most of all, he was angry at Amy for making a fool of him by running away. Smokey intended to use his gun on Amy, and Hugh would not stop him. When it was time to collect the money and go, they would leave Amy behind--but...

Held captive by the dangerous baron Lassigny, Will Treaty and his fearless young apprentice, Maddie, must outwit the baron with the help of their friends from home to escape.

Teenagers Zak and his alien friend, Erro, are trying to make it across the Plateau of Leng before the rising sun reveals them to the robot guards of Planet Alcatraz, but suddenly mountain-sized crystals start rising through the desert sands, threatening to trap them in a circle with a giant scorpion--and the boys must figure out how to escape this series of hazards.

Captured by the sadistic guards of the prison planet Alcatraz, the two teenage friends, Zak, and the alien Erro, are placed in bottomless cages hovering over a sea of poison acid and if they fall asleep or lose their grip they will fall to their deaths--and Zak will need all of his ingenuity if he is going to figure out a way to save himself and his friend.

In Tokyo, Ren has met with three other teenagers who have the dragon birthmark, but the public has learned that the dragonborn exist and teams of hunters are searching for them--and not all of Ren's new friends are what they seem to be.

"The epic story of William Ash and the escape from Stalag Luft III German POW camp during World War II"--

In fifteenth-century England, commoner Nell and her best friend since infancy, Prince Ned, the future king, try to escape after being wrongfully imprisoned in the Tower of London. Includes historical notes and timeline.

When his father disappears and his mother is abducted, Ryan learns that his missing parents are secret agents and that he must undertake a perilous mission to rescue them. Ryan Quinn, the son of a United Nations worker, has traveled around the world but is finally settled at a great school in New York. But when his father disappears and his mother is abducted, Ryan discovers his parents actually work with an underground organization that has performed...

Civil War, 1863. Virginia. Union soldiers Colonel Thomas Rose and Major A. G. Hamilton were captured by the Confederate Army and taken to Libby Prison, one of the most horrific prisons ever run--infamous for its overcrowded, vermin-infested conditions. But neither fear, nor darkness, nor squealing rats could keep Rose and Hamilton from freedom. They and other POWs would fight against the odds to attempt the largest prison escape in American history....