Eiffert, Cross-train your brain : a mental fitness program for maximizing creativity and achieving success / Stephen D. Eiffert. - New York : AMACOM, c1999. - xxiii, 200 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 0814479944 (pbk.) LCCN: 99-017348 Subjects--Topical Terms: Creative ability.Creative thinking. LC Class. No.: BF408 .E395