From the Publisher Hayden-McNeil Student Laboratory Research Notebooks are the leading selling duplicating notebooks in the United States and Canada. They are adopted by more than 80% of the leading colleges and universities including every campus of the prestigious Ivy League beginning in the Fall of 2001. More copies of these notebooks are in use presently than the combined sales of the leading Organic and General Chemistry textbooks combined. Read more About the Author Developed by the leading publisher of this genre of duplicating laboratory notebooks. First introduced in 1992, the publisher has sold millions to date. Read more