Eysenck, H. J. 1916-1997., Know your own I.Q. / [print] H.J. Eysenck. - Harmondsworth, Middlesex, Eng. : Penguin Books, (c)1962. - 190 pages : illistrations ; 18 cm. "A Pelican original"--p.4 of cover. Nat. Bib. No.: GB62-12107 Subjects--Topical Terms: Mental tests. LC Class. No.: BF431.E98.K569 1962