Colston, Valerie. 200 projects to strengthen your art skills / Two hundred projects to strengthen your art skills Valerie Colston. - Singapore : Page One, c2008. - 128 p. : ill. (chiefly col.) ; 29 cm. Includes index. "A Quarto book"--T.p. verso. ISBN: 9789812455949 (pbk.) 9812455949 (pbk.) Subjects--Topical Terms: Painting--Technique.Drawing--Technique.Art--Technique. Dewey Class. No.: 751.4 / COL 2008