Simplify the following text for a Grade 9 native English-speaking person.
Original: Ralph Fletcher ( born March 17 , 1953 ) is a writer of children 's picture books , young-adult fiction and poetry as well as an educational consultant who has also written books for both children and professional educators on the craft of writing .
Simplified: Ralph Fletcher ( born March 17 , 1953 ) is a writer of children 's picture books , young-adult fiction and poetry as well as books for both children and teachers on the art of writing .