101 Amazing Optical Illusions Fantastic Visual Tricks Author:Terry Jennings Some paper and pencils, a little glue, and a ruler and scissors are all that's needed to make 101 great optical illusions. Put a bird in a cage without touching it; break a spoon and mend it without glue; get a whale to swim, a kangaroo to jump, or a ballerina to dance. Explore the techniques that led to the inventions of animated cartoons, cine... more »ma, and computer graphics. "...an attractive introduction to the subject..."--Kirkus Reviews.« less