Allyson Braithwaite Condie

Seeking to avenge the murder of her true love while on a dredge ship searching for gold, fifteen-year-old captain Poe Blythe becomes the architect of new defenses designed to destroy her enemies. There is something Poe Blythe, the seventeen-year-old captain of the Outposts last mining ship, wants far more than the gold they tear from the Serpentine River. Revenge. Poe has vowed to annihilate the river raiders who robbed her of everything two years...

"In search of a better life, Cassia joins a widespread rebellion against Society, where she is tasked with finding a cure to the threat of survival and must choose between Xander and Ky"--

"It's been a year since the devastating car accident that killed Cedar's father and younger brother, Ben. But now Cedar and what's left of her family are spending the summer in her mother's hometown of Iron Creek and trying to mend their broken pieces. Memories surround Cedar, including strange gifts that begin to appear in the night--the type of small household items her brother Ben used to collect. Until one day a boy named Leo, dressed in costume,...

"Rio has always dreamed of leaving the underwater city of Atlantia for life in the Above; however, when her twin sister, Bay, makes an unexpected decision, Rio is left stranded below where she must find a way to unlock the secrets of the siren voice she has long hidden and save Atlantia from destruction"--

Middle-schoolers Nico, Opal, Tyler, and Emma face a more dangerous threat and must uncover the whirlpool's origins, as well as those of that freaky "Thing in a Jar," while fending off paranormal investigators.