About the Author
E. Richard Churchill,Louis V. Loeschnig, and Muriel Mandell are authors of books in the No-Sweat Science series, published by Sterling Publishers. They each have written several other science-related books for children and young adults.
Frances W. Zweifel is a published author and an illustrator of books for children and young adults. Among her other books are Optical Illusion Experiments and Science Fair Projects: Chemistry.