TY - BOOK AU - Kaufman,Josh TI - The first 20 hours: how to learn anything...fast SN - 9781591846949 AV - BF378.E94 K38 2013 PY - 2014/// CY - New York PB - Portfolio/Penguin KW - Expertise KW - Learning, Psychology of N1 - Includes bibliographical references and index (pages 269-274) ER -