Need to write a letter? Learn how to get your point across in this BrainPOP movie, in which Tim and Moby teach you how to write a business letter! Discover what a business letter is, exactly, and why you need to know how to write one. Find out the differences between formal and causal letters, and learn the proper format for a business letter, including what goes at the top and which two addresses you need to include. You’ll also learn what goes in the body of a business letter and why it pays to be polite. Don’t forget to put a stamp on it!