Jennifer A Nielsen

In the country of Carthya, a devious nobleman engages four orphans in a brutal competition to be selected to impersonate the king's long-missing son in an effort to avoid a civil war.

Twelve-year-old Lidia's life is forever changed by the Nazi occupation of Poland, leading her to join the resistance movement to fight against the Nazis and aid Jewish people in the Warsaw Ghetto during WWII.

Young King Jaron has had nothing but trouble with his advisors and regents since he ascended the throne of Carthya, and now King Vargan of Avenia has invaded the land and captured Imogen--and Jaron must find some way to rescue her and save his kingdom.

657 days ago Meg's British father left their home in France to fight the Nazis, leaving some codes in a jar for her to decipher, and Meg and her French mother moved to the Perche, a region in France near Normandy known for its forests; now Meg watches the German soldiers in town, and sometimes carries messages for the French resistance--but suddenly things have gotten much more dangerous: there is a wounded British officer hiding in her grandmother's...

When the Berlin Wall went up, Gerta, her mother, and her brother Fritz are trapped on the eastern side where they were living, while her father, and her other brother Dominic are in the West--four years later, now twelve, Gerta sees her father on a viewing platform on the western side and realizes he wants her to risk her life trying to tunnel to freedom.

When King Jaron returned to Carthya he brought with him a device that supposedly shows the way to a great treasure, but now everything is going wrong: Castor, the son of an old enemy, is conspiring against him and wants the throne for himself, his fiancee, Imogen, seems to have turned against him, and the Prozarian Monarch has invaded his kingdom and taken Jaron's castle--but Jaron has a lot of experience at hiding and escaping, and he is not willing...

After three years in exile Kestra Dallisor has been summoned back to Antora by her father, right-hand man of the seemingly immortal king, Lord Endrick, but she is intercepted and kidnapped by the Coracks who want to use her to get the Olden Blade, which they believe can be used to kill the despot--Simon, one of the rebels with his own grudge against the Dallisors, is assigned to accompany her, but Kestra has her own plans and she does not intend to...

Now firmly on the side of the Coracks, sixteen-year-old Kestra Dallisor plans to use the magic Olden Blade to kill the evil Lord Endrick, but when she fails, Endrick turns her into one of his Ironheart soldiers, without any memory of her rebellion, and bound to obey him, his spy within the Coracks; the rebel Simon is desperate to return her to the Kestra he loves, but he is reluctant to use the magic that might heal (or destroy) her--and neither Simon...

When eight-year-old Elliot Penster unwittingly saves a brownie from a group of goblins on Halloween night, he becomes their reluctant king and champion in a war against the evil goblins.

Elliot, the King of the Brownies, might be able to survive some unusual self-defense lessons and a king-napping plot, but withstanding the friendship of his arch-nemesis, Cami Wortson, may be more than even he can handle.