• Insects

    by Diana Fisher
    March 1, 2007, Walter Foster, Walter Foster Jr

  • How to draw

    by Walter T. Foster
    2013, Walter Foster Publishing, Inc.

  • Drawing With Your Artists Brain

    by Carl Purcell
    April 11, 2007, North Light Books

  • Sketching As a Hobby

    by Arthur Leighton Guptill
    January 1983, Van Nostrand Reinhold

  • Oodles of doodles

    by Mike Artell
    2003, Sterling Pub.