The seventh instalment of the popular 'Lesson' series-featuring therapist, professor, and reluctant sleuth, David Unger. David's up for a giggle when wild-card therapy client Bennett ropes him into running therapy sessions at a Comedy Conference. It should be a hoot, but nobody's laughing when a conference attendee turns up dead, and veiled threats waft David's way. Treading a fine line between self-preservation and sleuthing,...