Kass Morgan

After centuries of exclusivity, the Quatra Fleet Academy finally accepts students from the settler planets, forcing four teenagers from different backgrounds, with different ambitions, motives, and missions, to work together to outmaneuver a mysterious alien enemy.

Summary:At first glance, the sisters of ultra-exclusive Kappa Rho Nu - the Ravens - seem like typical sorority girls. Ambitious, beautiful, and smart, they're the most powerful girls on Westerly College's Savannah, Georgia, campus. But the Ravens aren't just regular sorority girls. They're witches. Scarlett Winter has always known she's a witch - and she's determined to be the sorority's president. But if a painful secret from her past ever comes to light, she could lose absolutely everything... Vivi Devereaux has no idea she's a witch. So when she gets a coveted bid to pledge the Ravens, she vows to do whatever it takes to be part of the magical sisterhood. The only thing standing in her way is Scarlett, who doesn't think Vivi is Ravens material. But when a dark power rises on campus, the girls will have to put their rivalry aside to save their fellow sisters. Someone has discovered the Ravens' secret. And that someone will do anything to see these witches burn. -Worldcat

Centuries after nuclear war destroyed our planet, humanity struggles to rebuild. It’s been a month since the dropships landed and the Colonists joined the Hundred on the ground. The teens, once branded juvenile delinquents, are now leaders among their people. The Colonists and the Earthborns are celebrating their first holiday together when, to everyone’s horror, they’re attacked by a group of strangers whose unusual battle cries fill the air. The newcomers kill scores of people, seize prisoners, and pillage crucial supplies. When hotheaded Bellamy and his analytical girlfriend Clarke discover that Wells, Octavia and Glass have been captured, they vow to get them back at all costs. But as they go after their new enemies, Bellamy and Clarke find themselves increasingly at odds, unable to agree on a plan to save their friends. Meanwhile, Wells, Octavia, and Glass are being slowly brainwashed by their captors, religious fanatics with one goal: to grow their ranks and “heal” the war-ravaged planet… by eliminating everyone else on it. But centuries of radiation exposure have taken their toll, forcing the cult to take drastic steps to survive. And unless the rescue party arrives soon, the teen captives will face a fate more terrifying than anything they could imagine. In this thrilling fourth installment, the hundred fight to protect the people they love on the dangerous planet they always dreamed of calling home.

Introduces ravens, describing their physical features, habitats, life cycle, intelligence, and scavenger behavior.

Fourteen-year-old Star Calloway is the most famous pop star in the world. The only thing which makes her unhappy is that her parents and brother are missing.