http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A discussion of optical illusions with explanations of why we see them and suggestions for creating illusions of our own.
by Seymour Simon ; drawings by Constance Ftera.
"Seeing the light theme book"--P. 4 of cover.
"A National Science Teachers Association Outstanding Science Trade Book for Children"--P. 4 of cover.
Literature experience. Award edition. Level 8