This Is How You Lose the Time War is a blend of epistolary romance and insanely intricate science fiction. It is a carefully created novel written by Max Gladstone and Amal El-Mohtar. It tells the story of two time-traveling rivals, whose unexpected romance develops as they leave each other continuously more intricate messages in order to communicate, ultimately making them question everything they thought they knew. 

This is not a book I originally thought I would enjoy, but the mesmerizing fusion of love and futuristic elements, and its remarkable journey through the dimensions of time and space had me hooked. Its eloquent language, innovative technologies, complicated plot, and insightful concepts guarantee that it will be cherished by those who adore epic tales of affection and riveting escapades in the realm of science fiction.

If you like this book, you may also like The Space Between Worlds, which has some very similar themes.