Based on a True Story is Norm Macdonald's book-length riff on the celebrity memoir, a form he openly refuses to write straight. It is built from anecdotes about his early life in Canada, his years around card games and gambling, his time working the comedy clubs, and his stint on Saturday Night Live. Facts and fabrications sit side by side, and the reader is left to sort out which is which, usually with a wink.
The approach is conversational and digressive. Macdonald tells stories the way he performs them onstage: a slow setup, a detour, then a flat punchline that lands harder for the wait. Some sections read like tall tales and others like sincere reflection, and the shift between them is part of the point. The sentences are plain, and the humor depends on timing and understatement, which survives the move to the page well for anyone who has seen him work.
Reading it feels like sitting across from a witty, slightly evasive friend late at night. It is quick and easy to finish in a few sittings, but it rewards attention to the melancholy and self-deprecation underneath the jokes. Expect a collage of characters and set pieces rather than a tidy life story told in order.