Kate McKinnon Released Final Book of Series

The author and former Saturday Night Live cast member concluded her children's book trilogy.

Updated on Sept. 28, 2026 in Variety

A collection of vintage glass beakers and test tubes filled with glowing, swirling liquids in a workshop, symbolizing mad science discovery. — Author Kate McKinnon has released the third and final installment of her children's book trilogy, 'The Millicent Quibb School of Etiquette for Young Ladies of Mad Science.' *AI Illustration.* Upload story photo >

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Kate McKinnon has released the final installment of her three-book series, The Millicent Quibb School of Etiquette for Young Ladies of Mad Science. She appeared on the 3rd Hour of TODAY to discuss the conclusion of the project.

Why it matters

The author created this series to encourage young readers to identify and embrace their authentic selves through imaginative storytelling. The trilogy serves as a platform for blending fantastical elements with the concept of mad science.

The completed project comprises 3 books in the series, following the initial vision for the trilogy. The author focused on building a fully imaginative world featuring mad science creatures.

The players

Kate McKinnon

She is an author and a former cast member of Saturday Night Live.

3rd Hour of TODAY

This is a television program where the author discussed her book release.

The details

Kate McKinnon, known for her work on SNL, utilized fantastical creatures to build an immersive world throughout the series. This final volume concludes the narratives explored across the three books.

September 28, 2026: Kate McKinnon appeared on the 3rd Hour of TODAY.

Industry Dynamics

The conclusion of this series mirrors a broader trend where established comedic performers leverage their public profile to expand into successful children's literature franchises. This move illustrates how authors use multimedia appearances to sustain long-term engagement with their intellectual property.

Readers can now access the full three-book series in its entirety for their personal collections. The availability of the final installment allows fans to complete the narrative arc established by the author.

The takeaway

Authors who successfully transition from sketch comedy often use their established voices to create unique, character-driven worlds in literature. Readers interested in exploring these narratives can start by engaging with the full trilogy to appreciate the evolution of the imaginative themes.