"The shocking story of the Sullivan Institute, a psychoanalytic organization of artists and intellectuals that devolved into a dangerous cult on Manhattan's Upper West Side"--

A group of teenage girls living in a cult are ensnared by suspicision and paranoia when one of them goes missing.

"Clayton Stumper might be in his twenties, but he dresses like your grandpa and fusses like your aunt. Abandoned at birth on the steps of the Fellowship of Puzzlemakers, he was raised by a group of eccentric enigmatologists and now finds himself among the last survivors of a fading institution. When the esteemed crossword compiler and main maternal presence in Clayton's life, Pippa Allsbrook, passes away, she bestows her final puzzle on him: a promise...

"Ever since Oli found a pamphlet for a remote island commune as a kid, it's all she can think about. Now that she's nearing the end of high school, feeling frustrated with the mounting pressure to choose a career and follow a path she has no interest in, the desire to escape it all has been steadily increasing. Everything comes to a head when Oli's relationship with her best friend goes south and she claps back at a school bully with more than just...

When her ex-girlfriend Kay is murdered and everyone in her old commune is a suspect, Dora, while investigating, discovers Kay's death is one of several terrible incidents and is drawn into a twisted conspiracy while trying to stop a potential war between two nefarious companies.