How do I become a good writer???

Read, read, read.

I suggest you visit the links below and pick books in your favourite genre from the award winning lists of authors.

http://www.carnegiegreenaway.org.uk/carnegie/full_list_of_winners.php

http://www.ala.org/alsc/awardsgrants/bookmedia/newberymedal/newberyhonors/newberymedal

I hope that helps.

Good luck.

Howard's right! The best way is reading others' books. He's told you how to choose them too!

The trick, i think, is to devolop a good writing style. Also, get help from others... like... Constsructive critisism and such