Exploring Creation with Earth Science, 2nd Edition, was written by Rachael Yunis. She holds a Bachelor of Science degree in Biology, a Master of Science degree in Molecular Genetics, and a Master of Arts degree in Biomedical Ethics. The title was written with her husband and technical editor, Sam Yunis, PhD, who is employed at NASA. Together they homeschooled their boys through high school. Their children have degrees in the sciences and work in the aerospace and computer science industries.