He is one of the legends of Boston comedy, but this is not a joke. Well, it is kind of a joke, but mostly serious.

Mike Donovan, 57, a stand-up comedian, Southie guy, history madman, is ready to publish his book. Yes, “the book,” that thing that the comedy world has watched him obsess over like a madman for three decades — he says it is ready. And, wait for it…