Thalli has 15 minutes and 23 seconds to live. The toxic gas that will complete her annihilation is invading her bloodstream. But she is not afraid. Decades before Thalli's birth, the world was decimated by a nuclear war. But life continued deep underground, thanks to a handful of scientists known as The Ten. There they created genetically engineered human beings who are free of emotions in the hope that war won't threaten the world again.

The last thing Addy Davidson wants is to be on a reality TV show where the prize is a prom date with the President’s son. She’s focused on her schoolwork so she can get a scholarship to an Ivy League college, uncomfortable in the spotlight, never been on a date, and didn’t even audition for it. But she got selected anyway. So she does her best to get eliminated on the very first show. Right before she realizes that the President’s son is possibly the most attractive guy she has ever seen in person, surprisingly nice, and seemingly unimpressed by the 99 other girls.

Like all citizens since the ruining, Carrington Hale knows the importance of this day. But she never expected the moment she'd spent a lifetime preparing for - her choosing ceremony - to end in disaster. Ripped from her family, she'll spend her days serving as a lint, the lowest level of society. She knows it's her duty to follow the true way of the authority. But as Carrington begins this nightmare, rumors of rebellion rattle her beliefs.

Rose has been appointed as a healer’s apprentice at Hagenheim Castle, a rare opportunity for a woodcutter’s daughter like her. While she often feels uneasy at the sight of blood, Rose is determined to prove herself capable. Failure will mean returning home to marry the aging bachelor her mother has chosen for her. When Lord Hamlin, the future duke, is injured, it is Rose who must tend to him. As she works to heal his wound, she begins to understand emotions she’s never felt before and wonders if he feels the same.

What do you do when your knight in shining armor lives, literally, in a different world? Most American teenagers want a vacation in Italy, but the Betarrini sisters have spent every summer of their lives among the romantic hills with their archaeologist parents. Stuck among the rubble of medieval castles in rural Tuscany on yet another hot, dusty archaeological site, Gabi and Lia are bored out of their minds … until Gabi places her hand atop a handprint in an ancient tomb and finds herself in 14th-century Italy.