Write a letter of complaint. follow the rules for a formal letter, and use the full-block style. the complaint may be about anything you wish (such as malfunctioning equipment, poor building maintenance, or disruptive noises from a nearby business). you can base your letter on a true experience, or you can make up all the details you need.

Dear Sr/Madam:

I am writing to you to complain about a product that I requested from your company a week ago. 

On September 30th, I ordered a set of book which were supposed to arrive 2 days ago. Not only they arrive this morning but that also are in very poor conditions. 

I would like to have any kind of explanation and a change of set. If it is not possible to get new books, I would lie to get a re-found because it is impossible to me to work with the books in such a way.

I look forward to hearing form you shortly.
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This is a formal letter and the following are required:

Write your name and contact information.Include the date.Include the recipient's name and contact information.Write a subject line.Write a salutation for block style.Write the body of the letter.Include a sign-off.Proofread your letter.What is a formal letter?

A formal letter is a letter from one company to another, or such organizations and their customers, clients, or other external parties.

Learn more about letters  on:

link

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