“Pay or Play” is the third novel in the Charlie Waldo private eye series. The idea behind the series is that Waldo is an-ex-LAPD Officer who is now a hermit obsessed with global warming and lives in a small cabin up in Idylwild with only 100 things (a pair of socks counts as one thing). He obsesses over his carbon footprint as he bikes around Los Angeles. It’s a goofy premise and by the third book it’s pretty much run its course and is no longer humorous. Here, Waldo has to explore a fraternity hazing from decades earlier and a death of a homeless man in a shopping center fountain. Nothing too exciting or exceptional.