Angry Business Letter

Situation:
A man was being hounded by a children's book company because he had allegedly failed to pay for two shipments of children's books. DR. LETTERS wrote the following Angry   Business Letter for him, and the book company decided to drop the whole matter. Although DR. LETTERS doesn't guarantee results like this, the letters are poignant and assertive, expressing your personal interest in the best possible English. You will certainly have your point of view declared forcefully.