Can someone help with how to write Business Letters?

Question

If someone could help me with how to write an Introduction letter to a company that publishes books and magazines, I would appreciate it so much?

Answer 1

Dear Sir or Madame,

I am writing to inquire about your publication, Cat Fancy....

unless you know the publishers name or the editor you are writing to, then address it

Dear Ms. Grammarcy,

I am writing to inquire about your publication, Judicial Review.....