This book developed as a result of my requirement to have a simple, comprehensive and well-structured repertoire of tools for my own consulting activities. Whenever I wanted to ‘pull the rabbit out of the hat’, I used to waste time browsing through previous project work to find things I had done previously. In order to avoid having to ‘reinvent the wheel’ each time, I developed my own ‘cheat sheet’ – a list with names of tools to prompt and remind me of what was ‘available’