and less often touches in other colours, such as gold and blue.

The original book was a sketchbook made up of alternating groups of white and blue pages, in fours, with an average page size of 19.4 by 25.7 cm. Claude began with a self-portrait, then gave each painting a page, usually noting a few details on the reverse of the drawing: a reference number, a signature, the name of the patron and where he was from (if not local), and often a note of the subject. After some years he began to add dates. There are 195 paintings covered in this