A Guide to Deduction is the ultimate handbook for any aspiring Sherlock Holmes or Watson. Building on the massively successful aguidetodeduction.tumblr.com, the book includes not only advice on deducing aspects of an individual, but a wide range of skills every detective needs. Learn how to build a mind palace, interrogate, and break codes on par with the world's only consulting detective.
It was ok, some very interesting things but lacking a lot of content, it was basically a bullet pointed audio book. Could do with more exercises to increase and improve actual deduction skills.