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A “propulsive thriller about secret organizations, hidden agendas, and the lengths one woman will go to reclaim her life” (Laura Dave, author of Reese’s Book Club Pick The Last Thing He Told Me) from internationally bestselling author Catherine McKenzie.

At thirty-nine, Nicole Muller’s life is on the rocks. Her once brilliant law career is falling apart. She and her husband are soon to be forced out of the apartment they love. After a warning from her firm’s senior partners, she receives an invitation from an exclusive women’s networking group, Panthera Leo. Membership is anonymous, but every member is a successful professional. It sounds like the perfect solution to help Nicole revive her career. So, despite her husband, Dan’s, concerns the group might be a cult, Nicole signs up for their retreat in Colorado.

Once there, she meets the other women who will make up her Pride. A CEO, an actress, a finance whiz, a congresswoman: Nicole can’t believe her luck. The founders of Panthera Leo are equally as impressive. They explain the group’s core philosophy: they’re a girl’s club in a boy’s club world.

Nicole is all in. And when she gets home, she soon sees dividends. Her new network quickly provides her with clients that help her relaunch her career, and a great new apartment too. The favors she has to provide in return seem benign. But then she’s called to the congresswoman’s apartment late at night where she’s pressed into helping her cover up a crime. And suddenly, Dan’s concerns that something more sinister is at play seem all too relevant. Can Nicole extricate herself from the group before it’s too late? Or will joining Panthera Leo be the biggest mistake of her life?

Photograph by Fany Ducharme

Catherine McKenzie was born and raised in Montreal, Canada. A graduate of McGill University in history and law, Catherine practiced law for twenty years before leaving to write full time. An avid runner, skier, and tennis player, she’s the author of numerous bestsellers including I’ll Never Tell and The Good Liar. Her works have been translated into multiple languages and Please Join UsI’ll Never Tell, and You Can’t Catch Me have all been optioned for development into television series. Visit her at or follow her on Twitter @CEMcKenzie1 or Instagram @CatherineMcKenzieAuthor.

Praise for Please Join Us

“McKenzie has reached new heights with Please Join Us, her propulsive thriller about secret organizations, hidden agendas, and the lengths one woman will go to reclaim her life. You won’t want to put this book down!”
— LAURA DAVE, New York Times bestselling author of Reese’s Book Pick The Last Thing He Told Me

“McKenzie’s latest is a triumph. I was infatuated with this brilliant, tangled web of lies, cover-ups, and deception. Totally thrilling and empowering, Please Join Us shows how some people will stop at nothing to get what they want. McKenzie never fails to impress!”
— MARY KUBICA, New York Times bestselling author of Local Woman Missing

“Stunning, propulsive, and sharp as a knife, Please Join Us is about a secret women’s group and the members determined to get ahead at all costs—just like men do. With a creeping sense of paranoia and full of surprising twists, this smart, feminist thriller explores women’s empowerment vs. justice and the grey spaces we inhibit when success is on the line. This one’s a knockout!”
— CHRISTINA McDONALD, USA TODAY bestselling author of Do No Harm

“The claws come out! Please Join Us is a diabolical and fast-paced ride through a women’s networking group. This twisty, captivating book will have you reading all night.”
— SAMANTHA DOWNING, internationally bestselling author of My Lovely Wife and For Your Own Good

“With a scintillating, timely premise, and McKenzie’s signature page-turning style, Please Join Us is a winner.”
— ROBYN HARDING, internationally bestselling author of The Perfect Family

“This searing take on professional networking from Catherine McKenzie is a fast-paced, intriguing, intense read that is as smart as it is suspenseful. Original and thought-provoking, it has plenty of twists and turns to satisfy even the most seasoned thriller reader, and the women of this tour de force will haunt you long after the final page is turned.”
— HEATHER GUDENKAUF, New York Times bestselling author of The Weight of Silence and This is How I Lied

“A dead body, a secret society that demands obedience, and a talented attorney determined to get ahead—what could possibly go wrong? McKenzie shines with Please Join Us, a tense, whip-smart tale of ambition, loyalty, and ethics, and how personal boundaries can turn hazy when success is on the line. A perfectly plotted stunner.”
— KIMBERLY BELLE, internationally bestselling author of My Darling Husband

“Another superbly-plotted thriller from McKenzie, full of signature twists and turns, where readers are invited into the warm waters of a women’s group, only to find it’s not all sisterhood and solidarity . . . Join if you dare!”
— ROZ NAY, bestselling author of Our Little Secret

“I devoured this book in one sitting! The First Wives Club meets The Firm in a chilling, serpentine ride that will leave you breathless. Please Join Us belongs at the very top of your TBR stack.”
— LIV CONSTANTINE, internationally bestselling author of The Last Mrs. Parrish

“You can always rely on Catherine McKenzie for smart, complex, irresistible suspense. Please Join Us takes one sinister turn after the next—just when you think you have it all figured out, she turns the tables again.”
— JESSICA STRAWSER, bestselling author of Not That I Could Tell

“McKenzie’s Please Join Us is her best book yet. It’s a page-turning blend of corporate intrigue, secret societies, family drama, and twists galore. You won’t be able to put this one down or relax until the final series of reveals and double crosses unfold . . . and even then, you’ll walk away with your heart pounding. An intelligent, captivating thriller that really thrills!”
— DAVID BELL, author of Kill All Your Darlings

More books from this author: Catherine McKenzie