Michael A. DiSpezio

Contains information about different types of optical illusions, and features color illustrations of afterimages, impossible faces, flip-flopping faces, bent lines, imaginary patterns, and other illusions.

visual tricks & amusements

Optical illusion magic

These simple, fun experiments in magnetism and electricity will get kids all charged up.

Awesome Experiments in Electricity & Magnetism

Eighty puzzles. The answers are easy! But getting there is the hard part. Uncover connections and identify hidden relationships until suddenly the answers are appearing as if by magic. Solve situations on the moon, around an insect-eating plant and gold-record racing through space in the Voyager spacecraft. 96 pages, 100 b/w illus., 5 3/8 x 8 1/4.

Great Critical Thinking Puzzles

Paul Sloane

Fraser Simpson

Trip Payne

Des Machale

J. Baxter Newgate

Exercise your mind to keep it in top shape by solving these tantalizingly tough, delightfully challenging, puzzles.

Puzzles for a Super-Mind Workout

Optical illusions and visual stunts illustrate how the brain works.

Eye Tricks

Presents over seventy experiments designed to demonstrate the properties of light and sound and explain the science behind them, covering such topics as wavelengths, color spectrums, vibration, and air particles.

Awesome Experiments in Light & Sound

Katherine Joyce

Charles H. Paraquin

Karl Heinz Paraquin

Seeing shouldn't always be believing... It all depends on how you look at it--every one of these drawings has a built-in "deception." For example, in this picture how many cubes are there: 7 or 8? Count again: if you're focusing on the black tops, you'll come up with 8, but if your eye is on the white bottoms, you'll find 7 cubes. Some images show two things in one, others confound your perception so you won't be able to judge size, and still more seem to sparkle and pulse. You won't be able to take your eyes off them! 96 pages, 86 b/w illus., 4 x 5.

Michael A. DiSpezio

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