Olive Hawthorne and the Dæmons of Devil's End (anthology)

Olive Hawthorne and the Dæmons of Devil's End was a 2017 short story anthology that adapted and expanded upon the events of The White Witch of Devil's End.

Publisher's summary
Olive Hawthorne is the sole guardian of the sleepy village of Devil's End. She protects the world from the incursion of demons, vampires, aliens and all manner of otherworldly creatures. But she is getting old … and they keep coming …

This is the story of Olive's life. From her earliest days, through teenage years, middle age, and now old age. Tales of her adventures with monsters and evil … forever battling against the forces of darkness … and forever seeking to keep the world safe.

Continuity

 * Olive Hawthorne, the Dæmons, and Devil's End all first appeared in TV: The Dæmons.