Joyce Henderson

JOYCE HENDERSON is a writer and experienced science fair judge. She is the author of two previous books and many magazine articles. HEATHER TOMASELLO is a science fair award winner, researcher, and academic advisor at the University of Florida.

JOYCE HENDERSON is a writer and experienced science fair judge. She is the author of two previous books and many magazine articles. HEATHER TOMASELLO is a science fair award winner, researcher, and academic advisor at the University of Florida. See less