Transform Your Communication Skills. Speak, Write, Present with Confidence, by Steve Bridger
A fantastic book you might want to keep at hand.
Three essential yet very detailed sections: Communication Essential, Speaking and Presenting Skills and Writing Skills, that help you to develop compelling presentations, speaking with confidence and no stress, or to write business letters and curricula vitae.
This book will give you useful and practical hints that will help your career and will become a valuable asset in your business and personal life.