Expect more comprehensive Acknowledgments in later volumes as the shape of this thing becomes clear. But it all started with Seamus Blackley sending me a text message in 2013, inviting me down a rabbit hole that he had already discovered and begun to explore. Other than that, the most important contribution that I am bound to acknowledge is the patience shown by my editor, Jennifer Brehl, during the years that have repeatedly put this project on hold to write other books!