Frances Zweifel
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".
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". See less