A Bit of Everything: Top tips on all aspects of management

This book contains my top ten for every subject, with various other useful nuggets on subjects including
• time management
• assertiveness
• leadership
• project management
• managing change
• customer care
• negotiating
• problem solving
• influencing
• presentations
• sales and marketing
• quality
• managing change

So it's a reference book and a useful source of ideas for any manager.