Helping her parents with the new twins, JoJo must figure out a way to tell the identical babies apart.

"Twelve-year-old Rowan is next in line to be Queen; her twin brother, Rhydd, to be Royal Monster Hunter. Rowan would give anything to switch places, but the rule is, the oldest child is next in line, even if she is only older by two minutes. She resigns herself to admiring her royal monster hunter aunt's official sword and having tea with dignitaries with her mother, the queen. But a tragic event breaks up longstanding rules, and now Rowan finds herself...

"My friends and I used to play lying games. Now my twin sister is living one. When I was alive, my family seemed picture-perfect. My adoptive parents adored me, and my little sister, Laurel, copied my every move. But now that my long-lost twin, Emma, has taken my place to solve my murder, we're both learning just how flawed my family really is. Laurel is shooting Emma nasty looks and sneaking around with my ex-boyfriend. And it turns out my parents...

A year after Superstorm Sandy, Lucy's life is returning to normal at the New Jersey shore, where she has grown up surfing with her twin brother, crabbing and long-boarding with friends, and working at Surf Taco, but the torch she holds for summer resident Connor, the center of The Big Mistake, still burns. For Lucy the Jersey Shore is home, and she knows not to get attached to the tourists. But when charming Connor Malloy and his family spend every...

Bradley, Brian, Nate, and Lucy follow clues on an Easter treasure hunt, while trying to figure out who set it up for them.

Having felt deprived all her life of schooling, friends, mother, and even her name by her twin sister, Louise finally begins to find her identity.

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.

When three leprechaun statues disappear just before St. Patrick's Day, Bradley, Brian, Nate, Lucy, and other friends follow clues in order to prove that Lucky O'Leary is innocent of the crime.

Power is much easier to acquire than it is to hold onto. Jude learned this lesson when she released her control over the wicked king, Cardan, in exchange for immeasurable power. Now as the exiled mortal Queen of Faerie, Jude is powerless and left reeling from Cardan's betrayal. She bides her time determined to reclaim everything he took from her. Opportunity arrives in the form of her deceptive twin sister, Taryn, whose mortal life is in peril. Jude...

Life seems to be back to normal for "newly twinned" sisters Miri and Molly until their magical house sends them on a new time-traveling adventure to the Civil War, where they must risk everything to save two unusual soldiers and come to terms with the emotional truth about Molly's past.