Publishers Weekly: Picking up from 2020’s American Demon, Harrison’s 15th The Hollows urban fantasy pits her enduring heroine against a new fearsome foe while still delivering the soap operatic supernatural machinations fans expect. The struggle for control of Cincinnati heats up when master vampire Constance Corson makes it clear that the city isn’t big enough for both her and witch-born demon Rachel Morgan. To protect her friends and save her home, Rachel must fight back with every spell, charm, and ally at her disposal. It won’t be easy: she’s on the outs with her demon mentor, Al; on the verge of homelessness thanks to Constance’s machinations; and her lover, Trent Kalamack, is out of town. While he’s away, Rachel must resist the deadly allure of Pike, her vampiric foil who walks the line between reluctant ally and uneasy enemy. Meanwhile, she’s wrapped up in the intrigues of myriad supernatural factions, caught between friendship and obligation—and if she succeeds in ousting Constance, she may need to accept a level of power and responsibility she’s never wanted. This entry relies on the substantial worldbuilding of the previous novels, which will satisfy existing fans but may leave new readers struggling to catch up. For dedicated readers, however, this proves a rousing addition to the series.