<p><strong>Art meets science in this guide to creating colour with earth¿s extraordinary pigments and understanding their uses throughout history</strong></p><p>Part anthropological study, part art book, and part how-to, <em>Book of Earth</em> immerses you in the world of ochre, a naturally occurring mineral used to make pigment. Each chapter explores Gustafson¿s rare pigment archive and provides a thorough exploration of color. The book also includes practical advice and techniques for creating your own pigments, alongside projects to apply your new skill set. </p><p>Called the ¿ochre whisperer¿ by American Craft, and noted as the ¿woman archiving the world¿s ochre,¿ in the <em>New York Times</em>, Heidi Gustafson collaborated with Jason Logan on Abrams¿ bestselling book <em>Make Ink</em>. She is featured in Logan¿s upcoming documentary, <em>The Colour of Ink,</em> as the ochre-ista. Her personal archive of more than 400 pigments from around the globe is a unique treasure, and her pas