TAPA DURA, LIBRO USADO, RECUERDA QUE UN % DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. The global phenomenon that has sold over 4 million copies, is published in a record-breaking 49 languages and is a bestseller across five continents—now updated and expanded with new content. Named by Fast Company as one of the most influential leadership books in its Leadership Hall of Fame. A strategy classic.