Campbell-Harding, Valerie. Layers of stitch : contemporary machine embroidery / Valerie Campbell-Harding and Maggie Grey. - London : B.T. Batsford, 2004. - 128 p. : ill. (chiefly col.) ; 28 cm. + pbk. Includes index. ISBN: 0713489065 Subjects--Topical Terms: Embroidery. Dewey Class. No.: 746.44