Enchanted Inc.

Enchanted, Inc. and its sequels are a fantasy series by Shanna Swendson about the adventures of Katie Chandler in New York City after she learns that she is an immune and can not be fooled by magic -- and so is vastly useful to the magical business.

Tropes include

 * All Girls Want Bad Boys
 * All a Part of The Job
 * Anti-Magic
 * Bad Boss
 * City of Weirdos
 * Divided We Fall
 * Frog Jerkass -- why do you think they are turned into frogs in the first place?
 * How Many Fingers?
 * Hot Scientist
 * King Arthur
 * Love At First Sight
 * The Mole
 * Not a Game
 * Our Gargoyles Rock