Deeplight by Frances Hardinge
“The gods are dead. About fifty years ago they turned on one another and tore each other apart. Nobody knows why. In an alternative world, fifty years after the death of the gods, a fifteen-year-old boy, Hark, finds the still beating heart of a terrifying deity. Hark risks everything to keep the heart out of the hands of smugglers, military scientists and secret fanatical cults, and tries to use it to sustain the life of his best friend, who is gradually and eerily transforming. But how long should someone stay loyal to a friend who is himself becoming a monster?” -WorldCat
Felix Ever After by Kacen Callender
“Felix Love, a transgender seventeen-year-old, attempts to get revenge by catfishing his anonymous bully, but lands in a quasi-love triangle with his former enemy and his best friend.” -WorldCat
Five Feet Apart by Rachael Lippincott
“Seventeen-year-olds Stella and Will, both suffering from cystic fibrosis, realize the only way to stay alive is to stay apart, but their love for each other is slowly pushing the boundaries of physical and emotional safety.” -WorldCat
The Cousins by Karen M McManus
"Milly, Aubrey, and Jonah Story are cousins, but they barely know each another, and they've never even met their grandmother. Rich and reclusive, she disinherited their parents before they were born. So when they each receive a letter inviting them to work at her island resort for the summer, they're surprised . . . and curious. Their parents are all clear on one point--not going is not an option. This could be the opportunity to get back into Grandmother's good graces. But when the cousins arrive on the island, it's immediately clear that she has different plans for them. And the longer they stay, the more they realize how mysterious--and dark--their family's past is. The entire Story family has secrets. Whatever pulled them apart years ago isn't over--and this summer, the cousins will learn everything.” -WorldCat
The Way Back by Gavriel Savit
“For the Jews of Eastern Europe, demons are everywhere: dancing on the rooftops in the darkness of midnight, congregating in the trees, harrowing the dead, even reaching out to try and steal away the living. But the demons have a land of their own: a Far Country peopled with the souls of the transient dead, governed by demonic dukes, barons, and earls. When the Angel of Death comes strolling through the little shtetl of Tupik one night, two young people will be sent spinning off on a journey through the Far Country. There they will make pacts with ancient demons, declare war on Death himself, and maybe, just maybe, find a way to make it back alive.” -Amazon