Learning doesn't have to be about the written word. Through the use of images Picture Concepts communicates a knowledge of the subject that is not constrained by language, literacy or age. Whether you are an expert or a novice, Picture Concepts will provide insight into the topic. The book contains 20 full page pictures and no text. Ideal of teaching, storytelling, discussion, interpretation or reflection.Bitcoin began in 2009 and is a digital currency, created and held electronically. No one controls it. Bitcoins aren't printed, like pounds, dollars or euros. Bitcoin is a very exciting cross disciplinary Computer Science discipline and it has widespread implications for finance and society as a whole. In this short book readers gain an insight into the applications and functioning of Bitcoin. The book uses only pictures and so is accessible to the young and technologically phobic alike.