Lewis, Sarah, 1957- Positive psychology at work : how positive leadership and appreciative inquiry create inspiring organizations / Sarah Lewis. - Chichester, West Sussex ; Malden, MA : Wiley-Blackwell, 2011. - xxii, 246 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9780470683200 Subjects--Topical Terms: Leadership.Organizational change.Positive psychology.