When an underground city begins to run low on resources, two teenagers search to escape above.

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.

When a roamer trades them an ancient book with only a few pages remaining, Lina and Doon return to Ember to seek the machine the book seems to describe in hopes that it will get their new community, Sparks, through the winter.

"What makes you 'you'? Chess has always been the protector of his younger siblings, Emma loves math, and Finn acts silly so he will be adored. They've been a happy family, the three of them and their mom. But everything changes when reports of three kidnapped children--who share the same first and middle names and exact birth dates--reach the Greystone family. This bizarre coincidence makes them wonder: Who exactly are these strangers? Before Chess,...

"Told from separate viewpoints, as Finn, Emma, and Chess Greystone and Natalie Mayhew, ages eight to thirteen, continue their quest to rescue their mothers they must return to the alternate dimension where truth is illegal." --

Since her father's death in a factory in the Dragonfly territories, thirteen-year-old Piper has eked out a living as a scrapper in Merrow Kingdom, but the arrival of a mysterious girl sends her on a dangerous journey to distant lands.

Following the events of the Fourth Trial, an army led by Masks hunts the two fugitives as they escape the city of Serra and journey across the vast lands of the Martial Empire. Laia is determined to break into Kauf--the Empire's most secure and dangerous prison--and save her brother, whose knowledge of Serric steel is the key to the Scholars' future. And Elias is determined to stay by Laia's side ... even if it means giving up his own chance at freedom...

Dash and Lily have had a tough year since readers first watched the couple fall in love. Lily's beloved grandfather suffered a heart attack, and his difficult road to recovery has taken a major toll on her typically sunny disposition. With only twelve days left until Christmas--Lilys favorite time of the year--Dash, Lily's brother Langston, and their closest friends take Manhattan by storm to help Lily recapture the holiday magic of New York City...

"Pip is about to head for college. She's blindsided when it starts to feel like someone is watching her. Small things at first: a USB stick with footage recording her and the same anonymous source always asking her: who will look for you when you're the one who disappears? It could be a harmless fan, but her gut is telling her danger is lurking. When connections between her possible stalker and a local serial killer are found, Pip has only one choice:...