Fans of the Netflix reboot of The Babysitters Club will delight as four new sisters band together in the heart of New York City. Discover this jubilant novel about the difficulties of change, the loyalty of sisters, and the love of family from a prolific award-winning author.

"[A] jubilant middle grade novel." -The New York Times

Bo and her mom always had their own rhythm. But ever since they moved to Harlem, Bo's world has fallen out of sync. She and Mum are now living with Mum's boyfriend Bill, his daughter Sunday, the twins, Lili and Lee, the twins' parents...along with a dog, two cats, a bearded dragon, a turtle, and chickens. All in one brownstone! With so many people squished together, Bo isn't so sure there is room for her.

Set against the bursting energy of a New York City summer, award-winning author Olugbemisola Rhuday-Perkovich delivers a joyful novel about a new family that hits all the right notes!

"This ode to Black girlhood and the communities that serve them offers humor, tenderness, and charm." -Rene Watson, New York Times bestselling author

"A beautiful, rich, and deeply comforting story about family and the powerful choice to live with joy, Operation Sisterhood is a book to savor." -Rebecca Stead, New York Times bestselling author
"Operation Sisterhoodbubbles over with humor, heart, and big-blended-family enthusiasm --a joyful love letter to Black girls, New YorkCity, and the transformative power of sisterhood." -Kate Messner, author of Chirpand Breakout

"[A] jubilant middle grade novel." -The New York Times

Set against the bursting energy of a New York City summer, award-winning author Olugbemisola Rhuday-Perkovich delivers a joyful novel about a new family that hits all the right notes!