As their father, a brilliant oceanographer, approaches his 70th birthday, siblings Ken and Abby, who have a troubled and complicated relationship, each plan the elaborate gifts for him, jockeying for primacy in this small family unit, in a novel that draws on the biblical tale of Cain and Abel.

Troublemaking twins Kasey and Kelly are excited for April Fool's Day, and plan to pull a "twin switcheroo" on their classmates to see if anyone notices the difference.

Tells a twisted tale of two estranged sisters whose reunion is cut short by the rise of flesh-possessing demons, thrusting them into a primal battle for survival as they face the most nightmarish version of family imaginable.

When a snowstorm diverts their plane, Barbie and her sisters are stranded at a small inn and fear their Christmas will be ruined.

After saving her younger sister’s behind multiple times, schoolteacher and single mom Frankie Barrera must decide the lengths she will go to when her borrowed truck is listed as the abduction vehicle in an Amber Alert.

After a year marred by bad relationships, sisters Lydia and Penny decide to spend a boy-free summer with their aunt in Los Angeles, but Lydia might need to bend the rules when she starts falling for Fran, the first girl who reciprocates Lydia's feelings.

Asha has spent her life on an island community built on the principle of truth. But she discovers she has been lied to about something huge – a secret sister called Willow. Willow has always believed her twin sister died years ago. So when she receives a message in the middle of the night from a girl claiming to be Asha, she doesn’t know what to think. Can they piece together the truth about their pasts and find their way back to each other?

"Meg works for a casino in LA, catching cheaters and popping a few too many pain pills to cope, following a far different path than her sister Haley, a famous actress. But suddenly reports surface of Haley dying at the remote rehab facility where she had been forced to go to get her addictions under control. There are whispers of suicide, but Meg can't believe it. She decides that the best way to find out what happened to her sister is to check in...

In a world where the children of the gods inherit their powers, Io, a descendant of the Greek Fates, must solve a series of impossible murders to save her sisters, her soulmate, and her city.

Still reeling from the heartbreaking death of their mother, a teenage girl and her younger sister find themselves hounded by a sadistic presence in their house and struggle to get their grieving father to pay attention before it's too late.