DK's Essential Managers are the visual guides that give you all the know-how you need to be more effective in business. Use step-by-step and "Ask yourself" features to prioritize tasks and manage your time efficiently. Learn how to develop your skills, improve drive, and lead with confidence. Maximize your impact in the workplace with Achieving High Performance. It will show you how to get the best out of your job by working smarter, not harder.

Mike Bourne is Professor of Business Performance at Cranfield School of Management in the UK.