O'Donnell, Timothy. Sketchbook : conceptual drawings from the world's most influential designers / Timothy O'Donnell. - Singapore : Page One, c2009. - 192 p. : col. ill. ; 29 cm. "First published 2009 by Rockport Publishers, Inc.". ISBN: 9789812458025 (hbk.) 9812458026 Subjects--Topical Terms: Design.Artists' preparatory studies. Dewey Class. No.: 745.4 / ODO