"Rowan embarks on an expedition to prove once and for all that she is the rightful royal monster hunter, in the fourth and final book in this fantastical series by New York Times-bestselling author, Kelley Armstrong. The time has come! After discovering the true reason for the monster migration, Rowan is on an expedition to ultimately prove that she is worthy of the ebony monster-slaying sword on her back. She and her twin brother, Rhydd, their friends...

"Awakening to find herself trapped in a strange tower, Izaveta knows she must find her way back to the Tóurensi palace and claim the throne. But even with an unexpected ally's help, she worries she might not be able to get news of her survival to her sister and escape this frozen land. Back at home, Asya enlists Nikov's help to prove Izaveta is still alive, even as she finds herself forced to navigate the political world she always sought to avoid...

Named for the Ojibwe word for little bear, Makoons and his twin, Chickadee, have traveled with their family to the Great Plains of 1860s Dakota Territory. There they must learn to become buffalo hunters and once again help their people make a home in a new land. But Makoons has had a vision that foretells great challenges -- challenges that his family may not be able to overcome. (Based on the author's own family history.)

Abigail's parents, believing the end of the world is near, sell their house, give the money to an end-of-times preacher, and drive from North Carolina to San Francisco where they remain homeless and destitute, as Abigail fights to keep her parents, her twin brother, and herself united against all odds.

Jamie and Marie Longbow's reputation for solving mysteries is getting around. They are at another Powwow when a man named Lester Laughing, dressed in full regalia, approach them with a treasure map and ask them to solve a mystery. Jamie and Marie follow the clues hoping to find treasure but what they find out in the end is more surprising than the treasure itself. --from Amazon.

Beatrix wins the school science fair every year because she uses magic to cheat, but this year her un-magical twin Olive is convinced that her own project on molds will win--until a fight over space upsets both projects and turns Olive's mold into a stinky, moldy blob monster which is alive, growing, and threatening to overwhelm the school.

Ling and Ting are identical twins that people think are exactly the same, but time and again they prove to be different.

"Uncle Alex ha llevado a los gemelos en una excursión de acampada en el bosque. Todo va muy bien hasta que descubren que su campamento perfecto ha side arruinado por la vida silvestre."-- Backcover. Tío Alex has taken the twins on a camping trip in the woods. Everything is going great until they discover their perfect campsite has been ruined by wildlife.

"When twin heirs are born in Tourin, their fates are decided at a young age. While Izaveta remained at court to learn the skills she'd need as the future queen, Asya was taken away to train with her aunt, the mysterious Firebird, who ensured magic remained balanced in the realm. But before Asya's training is completed, the ancient power blooms inside her, which can mean only one thing: the queen is dead, and a new ruler must be crowned. As the princesses...

"Seventeen-year-old Peter Blankman is a math genius. He also suffers from devastating panic attacks. Pete gets through each day with the help of his mother--a famous scientist--and his beloved twin sister, Bel. But when his mom is nearly assassinated in front of his eyes and Bel disappears, Pete finds himself on the run. Dragged into a world where state and family secrets intertwine, Pete must use his extraordinary analytical skills to find his missing...