This is a list of the most frequently challenged authors from 1990 through 2004 Top 10 Most Frequently Challenged Authors, 1990-2004

Top Ten Challenged Authors 1990-20041

1. Alvin Schwartz

2. Judy Blume

3. Robert Cormier

4. J.K. Rowling

5. Michael Willhoite

6. Katherine Paterson

7. Stephen King

8. Maya Angelou

9. R.L. Stine

10. John Steinbeck

1Out of 8,332 challenges reported to or recorded by the Office for Intellectual Freedom, as compiled by the Office for Intellectual Freedom, American Library Association. The ALA Office for Intellectual Freedom does not claim comprehensiveness in recording challenges. Research suggests that for each challenge reported there are as many as four or five which go unreported.