When the sixth book in a hit romance series drops, the question is rarely whether readers will buy it. The question is whether the author can still surprise them. King of Gluttony by Ana Huang steps up to that challenge with a chef hero, a marketing executive heroine, and a forced collaboration that simmers across nine high-stakes months in New York and a few scorching detours along the way. This is the long-anticipated Sebastian Laurent and Maya Singh book, and longtime readers have been circling them since King of Sloth. Their dinner-table sniping, their bone-deep history, their shared appetite for winning at any cost: all of it has been brewing quietly in the background of the Kings of Sin universe. King of Gluttony by Ana Huang finally lets them off the leash, and the result is a book that mostly delivers, with a few hiccups that keep it from being a flawless meal. What the Story Cooks Up Maya Singh is the chief brand officer of Singh Foods, her family’s frozen-food empire. Sebastian Laurent runs …