Description: A better pencil :

Main Author:	Baron, Dennis E.
Format:	Book
Language:	English
Published:	Oxford : Oxford University Press, 2009.
Subjects:	Writing > Materials and instruments > History. Written communication > Technological innovations.

Physical Description:	xviii, 259 p. : ill. ; 25 cm.
Bibliography:	Includes bibliographical references (p. 247-254) and index.
ISBN:	9780195388442 (acid-free paper)