A Memory Called Empire by Arkady Martine is one of those gigantic worlds in a book. An epic start to what will surely be an epic series (the Teixcalaan series). But if epic series scare you, don’t worry. This book has a nice resolution and is a complete story unto itself. The main character, Mahit is an ambassador from a small system with no habitable planets (everyone lives on space stations, and they call themselves Stationers). She has been assigned as an ambassador to the gigantic Teixcalaan Empire. Her job is to keep her system from being gobbled up by the empire. She is replacing the previous ambassador who is dead. How he died is one of the first things she must figure out. The Stationers like Mahit may not have the rich culture of the empire, but they have a secret. They have a machine (an Imago) infused in their brain that gives the host access to the memories of a previous host. It’s not really immortality, but it is a way to keep memories and experiences alive. In ...