A Ray of Light is a children's science book that is meant as a companion to Wick's previous book A Drop of Water. The book teaches the basics of light, color, reflection, iridescence, optics, and other things related to light.
Wick did a behind the scenes interview with Scholastic you can read here: https://oomscholasticblog.com/post/behind-scenes-ray-light-walter-wick
"A photographic exploration into the beauty and magic of light from the creator of the bestselling A Drop of Water and the Can You See What I See? series.
The wonder of light has fascinated readers for ages. Walter Wick's mesmerizing photographs paired with simple yet fascinating text and scientific observations help readers understand the secrets and complexity of light. You will learn what light is made of and how it fits alongside everything else in the world. Walter introduces readers into the mystery behind incandescence, light waves, the color spectrum, and iridescence as well as how we perceive light in our world and beyond. Walter Wick demonstrates that science and art both offer ways to observe the world around us. A Ray of Light is perfect for the STEM curriculum as it incorporates the early disciplines of science, technology, engineering, and mathematics."[1]
Ray of Light by Walter Wick - Spanning Studio Video