How to Write Better Business Letters by Earle A. Buckley (McGraw Hill)
I found this book very helpful - Earle A. Buckley (McGraw Hill) is a great teacher and writer. Probably How to Write Better Business Letters is the one of the best on the topic
I suppose How to Write Better Business Letters is a super informative and insighful - Earle A. Buckley (McGraw Hill) explained all the details in a perfect manner
I also read other books by Earle A. Buckley (McGraw Hill) but this one is probably the best - as for me! Surely How to Write Better Business Letters will be helpful for any business or management student