Like so many time-travel stories, This Is How You Lose the Time War is frustratingly, endearingly, eerily beautiful. It takes a special kind of talent to write time travel well—you need not only that non-linear perspective that many writers find necessary even for linear plots, but you also require a certain level of sheer, Lewis Carroll-like madness to conceive of a multiverse so vastly alternative to our tiny slice, or strand. Amal El-Mohtar and Max…