Ashes and Amulets by Keira Blackwood

I was living my best life, at midlife—monster-hunting, magic-wielding, fashion-slaying.
Then I died.
Seventy years later, I’m back, a phoenix risen from the ashes—literally.
But the world isn’t the same as it used to be. My worst enemy, Silas Huxley, has stolen my place at the top. The scalawag is infuriatingly gorgeous. He’s also flat-out infuriating. Now I’m expected to be his partner. Instead, I’ll take him down.
Midlife means reevaluating. This is not a crisis. It’s an opportunity.
Like I did from my grave, I’ll rise.
I’ll kick this opportunity, and Silas, in the face.