Short book, sounds amusing, about an author arguing and verbally abusing his fact checker.
MIT nerds in 1868. Adventurey. Reviewer seemed a little meh about it.
People are fused together in some post-apoclyptic hoopla. The main character’s hand is a doll head, there are a bunch of people fused together called the groupies. Good sentence in the review about people being forced to unlearn how to read or be used as target practice.