Blake, Quentin. Drawing for the artistically undiscovered / by Quentin Blake and John Cassidy. - Palo Alto, Calif. : Klutz, c1999. - 103 p. : ill. (some col.) ; 23 cm. Container of two watercolor pencils and one black ink sketch pen attached to side of book. ISBN: 1570543208 LCCN: 00699800 Subjects--Topical Terms: Drawing--Technique. LC Class. No.: NC650 / .B58 1999 Dewey Class. No.: 741.5