Sci-Fi, fantasy and speculative Indie Authors Review discussion

I'm having a hard time identifying comp novels for my latest book & am looking for suggestions. If you've read any authors/books that seem similar to mine, I'd appreciate any recommendations!

I'll include the blurb below, but here are the key points of difference I'm finding with the other books on the market I've been reading:

1- Contemporary Fantasy (not 2nd world)
2- Written for adult readers with an older MC
3- About fairies, but not a fairy tale retelling
4- Not a paranormal romance or paranormal mystery.
5- Follows the "road trip" trope, but not with a feisty set of loveable rogues.

Here's the blurb:

When mages hijack the Mississippi, it’s Mary’s job to get it back
Mary was a mundane middle-aged woman adjusting to her role as an empty-nester when she drank from a magical chalice and became fae. A few months later, she’s still adapting to her new life when the Mississippi River suddenly disappears.

The only river nymph left, Mary sets out to find it. A were-jaguar, frog prince, and multiple fae lords entangle themselves in her quest, turning what should have been an exciting adventure across the American Midwest into a treacherous journey fraught with ancient magick, twisted faerie “games,” and even a glimpse into the Hereafter to see what awaits on the Other Side.

Mary is determined to rescue the river, but isn’t sure she’s ruthless enough to become an avenging faerie. Can she save the Mississippi’s soul without sacrificing her own?

Mississippi Missing is a standalone novel set in the contemporary fantasy world of the Fifth Mage War. It’s a spiritual story of new beginnings, a heartfelt tale of remaining true to yourself, even when you don’t know who you are.
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Thank you in advance for all your thoughts/ideas,
Laura

I can't help, but I can commiserate. I'm having the same issues.