In episode 122 of Leaving the Nest, Tova Mirvis discusses her memoir, "The Book of Separation," detailing her choice to leave Modern Orthodox Judaism, a community she depicted in her novels.

In "The Book of Separation" by Tova Mirviss, the author recounts her departure from Orthodox Judaism and marriage, depicting her journey from religious observance to secular freedom, embracing practices like using technology on Shabbat and celebrating non-traditional holidays.