Mathematics is certainly the basis of modern science, but because of this it may not be an exaggerated discipline. Mathematical tasks may also be smart, inspiring and very entertaining. The author of this book Martin Gardner was one of the best popularizers of recreational mathematics, for decades he entertained readers of Scientific American magazine and managed to collect thousands of mathematical puzzles. The collection presents tasks belonging to various fields of mathematics - games with whole with numbers, geometry in plane and space. Especially popular are puzzles about speed, money or probability. And there will also be various special catchers and funny paradoxes.