Books like Catch 22 by Joseph Heller

This is not the book I read, but I am not proficient enough with this site to change it. I read the novel by Joseph Heller. I originally read this in college, and went back to re-read it about five years ago. For some reason, it seemed tired, old, not nearly as funny and cutting as it was when I first read it. I was distracted by a shiny object and put it down less than a hundred pages into it. I picked it up again because I am attending a discussion of it in connection with its 50th anniversary. This time. I loved it from the beginning. Its humor still resonates, as does its anti-war themes. But the end, especially Yossarian's sojourn through Rome, is terribly affecting. A great, great book.I have no idea what Novel Units Incorporated means, by the way.