1 Book of Earth
There's something very satisfying about a colour wheel or a rainbow spectrum; just seeing the gradation of colour has a soothing eff ect. If you want to take it one step further, though, and fi nd out about how colours are created, take a look at It's a clever hybrid of the science, art and history of ochre (the naturally occurring mineral used to make pigment), with some DIY how-to segments detailing
