Kate McKinnonis wearing a new hat author.

The book is set to debut on October 1, 2024.

This story and these characters are inspired by her own childhood.

LOS ANGELES, CALIFORNIA - JUNE 25: Kate McKinnon attends the press junket and photo call for “Barbie” at Four Seasons Hotel Los Angeles at Beverly Hills on June 25, 2023 in Los Angeles, California. (Photo by Rodin Eckenroth/FilmMagic)

Kate McKinnonGetty

Her essential message that being weird is exactly what makes you wonderful will inspire and empower young readers everywhere.

Heres a summary ofThe Millicent Quibb School of Etiquette for Young Ladies of Mad Science.

Gertrude, Eugenia, and Dee-Dee Porch do not belong.

WGA West building in Hollywood

After Mrs. Wintermacher expels them for insubordination, the girls expect to be sent away for good .

until they receive a mysterious invitation to a new school.

More fun than theyve ever had?

McKinnon is repped by Artists First, CAA and Hansen, Jacobsen, Teller.