Wishful Thinking: How To Be The Best Damn Faery Godmother In The World (Or Die Trying) is the first book in the series of the same name by Helen Harper, many of whose other books I've liked (and especially her Slouch Witch series, as I've mentioned before).
Wishful Thinking is free right now at Kindle US and UK. Harper is, however, really good at offering the first book in a series free, and not the rest, or even many sale prices on the rest. Which isn't an issue if you have KU, since mostly (or all?) they are KU. But if you don't have KU, you may want to consider carefully whether you want to get hooked by the first book...
Kindle US:
https://www.amazon.com/dp/B07TKYBNDJ
Kindle UK:
https://www.amazon.co.uk/dp/B07TKYBNDJ