Author’s NoteI never expected to spend so much time with Brock Marsden and the Moreau Society when I wrote the first book. This newly edited edition corrects mistakes that slipped through previous editions. I also changed a character name in this edition. Previously, I named the killer in Dark Matters “Groot.” I wrote the first draft of the novel back in 2004. At the time, I was unfamiliar with the character popularized by Marvel’s Guardians of the Galaxy a decade later, even though Groot originally appeared in comics in 1960. I remember trying out different names before coming up with “Groot” as the character’s name because I liked the sound. Did I have to change it? No, I could leave the name. Given the popularity of the movie character, however, the name carries too many other associ

