Taking the concept of a 'computer virus' to a whole new level, this tale posits a world in which AIs run much of the infrastructure but are prone to become ill. The answer: pharmaware - carefully coded solutions to aberrant behaviour.
And much as in the real world pharmacutical salesmen scamper around with the hard sell, peddling their company's drugs to medical professionals, here salesmen market pharmaware to companies who run AI systems. Realistically portrayed in their high-pressure lifestyle, you are grabbed into their world and whisked into a sales meeting beside them.
But there is a blight on their horizon. Consider how mental health diagnoses and medication recommendations depend on the Diagnostic and Statistical Manual of Mental Disorders rather than the opinion of the psychiatrist whose office you are sitting in... and think what would happen to the lives and livelihoods of pharmaware salesmen if someone put out a similar tome about AI behaviours...
... then download this book and find out!