MCBF is one of the most consistently enjoyable zines ever produced. Marr picks a subject, thoroughly researches it, then presents it in a humourous and informative way. From Zoo Deaths (Marr keeps a tally of who's ahead, ie.: Polar bears 3, Humans 0) to Naughty Children (including ways in which kids would derail trains under the title Choo Choo Crash Bang), each issue is packed with black humor.

Marr also includes reviews of pulp fiction. His yearly calenders contain disasters, murders, and various other morbid dates, and have different content each edition.