Thirteen-year-old TJ tries to cope with the emotional upheaval in her life when the father who kidnapped her ten years earlier and raised her under a different identity is injured, and she goes to visit her recently-discovered twin sister, mother, and future stepfather.
While searching for the father who left her and her mother ten years ago, thirteen-year-old Samantha begins to believe that the twin sister who supposedly died when they were three years old is still alive.
Reunited with her long-lost twin brother, twelve-year-old Gemma constantly tests the boundaries of acceptable behavior while relying on angels to help her connect with her new family.
Yana and Sean send their twin son and daughter, Ronan and Murel, to a space station to protect them from a scientist who wants to know how they can change into seals, unaware that the children want answers to the same question and may endanger themselves searching for the answer; and Sean dives into the depths in seal form to investigate bizarre changes to the planet.
Forced to move to Troll Fell to live with his uncles, Baldur and Grim, after his father's death, young Peer Ulfsson learns of his uncles' sinister plan to sell children to the trolls and sets out with an adventurous neighbor girl named Hilde to stop them.
In long-ago China, Prince Zong, the mortal young Starlord chosen to save humankind from destruction, joins the twin outlaws, White Streak and Black Whirlwind, to fight the Lord of the Dead and his demon hordes.
Pip and her twin brother, Tim, awaken an alchemist's son from a centuries-long slumber when their family moves to an old English country estate, and he enlists them in the fight against an evil alchemist who seeks to create a homunculus.
Weary of the war, a Union lieutenant recalls his life with his twin brother on their family's Virginia plantation and the events that led them to fight on different sides in the Civil War.
"Edgar and Allan, the great-great-great-great-grandnephews of the famed writer Edgar Allan Poe, discover that they are entrapped in a nefarious plot that has been going on since their birth"--Provided by publisher.
When a new girl in the Barkers' class, Carole Anne, acts like a bully, the students try talking to her and ignoring her until Morgie finally discovers what is wrong and finds a way to fix it.
