Amal El-Mohtar, Max Gladstone: This Is How You Lose the Time War (Hardcover, 2019, Simon and Schuster) 4 stars

Two time-traveling agents from warring futures, working their way through the past, begin to exchange …

probably not for everyone, but it's very good

5 stars

it's a magical realist (?) romance in a science fiction Time War setting, an unusual choice, but one that works well, given how strange the consequences of warping causality would be. If you can get ahold of the audio book, it's pretty good, has different readers for Blue and Red.