by PaulMcKenna (Author)
Paul McKenna has spent the last 25 years studying and developing ways to make people happier and has created a system that has an immediate, extraordinary and measurable effect upon people's happiness levels.
Format: Paperback
Pages: 208
Publisher: Bantam Press
Published: 06 Jan 2011
ISBN 10: 0593064046
ISBN 13: 9780593064047