Description: What counts:

$Cover Image$

Main Author:	Butterworth, Brian
Format:	Book
Language:	English
Published:	New York: Free Press, c1999
Subjects:	Number concept Mathematical ability Mathematics > Psychological aspects

Physical Description:	xv, 416 p. : ill. ; 25 cm.
Bibliography:	Includes bibliographical references (p. [383]-398) and index.
ISBN:	0684854171