In this review we take an in-depth look at the Etchr Signature Watercolour Sketchbook, Etchr’s top of the range sketchbook, which, when you consider the amazingly high quality of their traditional watercolour sketchbooks, the Etchr Signature Watercolour Sketchbook really is a sight to behold. This is one of those art supplies that, you will wonder how you lived without before buying it.