It isn't. The point of a biography to make the most accurate retelling of someone's life. It's not up to you to make them seem like a good person.
While an autobiography is written by one's own self, they do have the ability to make themselves seem better than they really are, since they would be really only be the person who knows of it.
That he is a great writer and he has the most books wrote
Sponsor is a similar word
The plural of studio is studios
