Claxton, Guy. Hare brain, tortoise mind : why intelligence increases when you think less / Guy Claxton. - 1st Ecco ed. - Hopewell, N.J. : Ecco Press, 1999. - xi, 259 p. : ill. ; 24 cm. Includes bibliographical references (p. [227]-247) and index. ISBN: 0880016221 LCCN: 98016001 Subjects--Topical Terms: Thought and thinking.Cognition.Intellect. LC Class. No.: BF441 / .C45 1999 Dewey Class. No.: 153.4