Explain some of the differences between "Official Letter" and "Blurb."

Some differences between "Official Letter" and "Blurb" include the following. The style is different between the two: "Official Letter" is a straightforward recounting of events, while "Blurb" is a complimentary summary. The audience is different between the two: "Official Letter" is written to an authority figure, while "Blurb" is written to attract readers. Another difference between the two variations is the way they appear on the page. "Official Letter" is in a different typeface from the rest of the book and contains several paragraphs, while the typeface used in "Blurb" is the same as the rest of the book, and is written in one paragraph.