This is a solution book for 1990 - 2000 Mathcounts National Competition Sprint and Target round problems. The problems attached are for your reference only. To avoid possible copyright issues, we have changed the wording, but not the substance, of the problems. Jane Chen is the author of the book "The Most Challenging MATHCOUNTS(r) Problems Solved"- 2001-2010 National Mathcounts Solutions" officially published by Mathcounts.org.
The original problems are not included in this book because of the copyright issue.