Chromatrix is the latest unique colouring activity puzzle book from bestselling author and puzzle artist Thomas Pavitte.Colour between the lines to reveal a famous painting.Each work starts as featureless continuous line, and as you colour between the lines in the required colour you reveal a famous masterpiece.The perfect blend of colour-by-numbers, dot-to-dot and drawing activity and puzzle books, this is a new drawing concept to reveal beautiful paintings for creative puzzle fans.