Sketch books come in many sizes and shapes – the sheer choice out there can sometimes be bewildering, but at the end of the day, what is a sketchbook? At its simplest level, it’s just a plain paper book – so what’s all the fuss about, surely one sketch book is as good as the next? As a lifelong enthusiast for gorgeous sketchbooks, this is a subject on which I could write at length. Don’t worry, I don’t plan to do that here, since I suspect for anyone other than fellow enthusiasts it would be extremely boring, but I thought it might be helpful to outline some of the factors…