Wick, Walter
Optical Tricks / Wick, Walter. - New York, NY : Scholastic, Inc, 1998.
Presents a series of optical illusions and explains what is seen.
0-590-22227-9
Optical illusions--Juv. Lit.
Visual perception
Optical Tricks / Wick, Walter. - New York, NY : Scholastic, Inc, 1998.
Presents a series of optical illusions and explains what is seen.
0-590-22227-9
Optical illusions--Juv. Lit.
Visual perception