This book has sold over 25,000 copies in the two previous editions - it's a classic in the field, now fully updated and made even easier to use. Established classic - previous two editions have been bestsellers.  

• This is a vital must-read handbook.
• User-friendly design makes this new edition even easier to use. Reviews

"...will help you to be more systematic, to consider all angles of any situation and to manage more effectively..."Business A.M