The Ministry of Testing. A bit of fluff, really. An amusing (I thought, but remember that I do laugh at my own jokes most of the time) conceit. An animal-based classification of the brokenness of software. The editor, Simon, asked me to tidy it, to tighten it, to tweak it. I tidied, tightened, tweaked and teased out the core thought more clearly. And then suddenly it was an e-book. With monster graphics.
Get it here: My Software Under Test and Other Animals.