More like Magic, Inc.

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Good OmensSeries
series2 books1990
Humor and fantasy, about prophecy, set in british isles.
Start with Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch →
Operation ChaosSeries
series7 books1956
completed
Fantasy.
“Assembled from stories written across the 1950s and 60s, Operation Chaos was followed decades later by the direct sequel Operation Luna.”
from the catalogue
Start with Operation Chaos →
Which Witch?Novel
Eva Ibbotsonstandalone novel1979
Fantasy, whimsical in tone.
D. O. D. O. (Department of Diachronic Operations)Series
series2 books2017
Time travel and historical fantasy, about political intrigue, set in europe.
“The young man from a shadowy government entity approaches Mel, a low-level faculty member, with an incredible offer.”
from the catalogue
Start with The Rise and Fall of D. O. D. O. →
Magical WashingtonUniverse
universe15 books2006
Urban fantasy.
“Only a few know how much of it never makes the ballot.”
from the catalogue
Start with Girl's Guide to Witchcraft →
includes Washington Witches / Jane Madison
Half Moon HollowUniverse
universe17 books2009
Paranormal romance, lighthearted in tone, about vampires.
“The world opens on Jane Jameson, a children's librarian who is fired, mistaken for a deer and shot in a parking lot, then revived as a vampire, all in one spectacularly bad night.”
from the catalogue
Start with Nice Girls Don't Have Fangs →
includes Nice Girl Spin-Offs, Jane Jameson, Libby Stratton, Gigi Scanlon