Seven dwarfs, seven beds, seven problems.

Why isn't our reflection upside down? And what are the Fantastic Four up to? Once again, science journalist and math enthusiast Holger Dambeck takes us into the fascinating world of mathematical and logical puzzles. A well-crafted riddle has no obvious solution. This makes Holger Dambeck's credo all the more important: "There are indeed rules. But those who really want to have fun will be creative." His entertaining puzzles show us what math truly is: not mindless rote learning, but the joy of thinking and discovering brilliant solutions. Following the great success of his first puzzle book "Three Logicians Walk into a Bar...", Holger Dambeck, author of the popular DER SPIEGEL column "Riddle of the Week" since 2014, now presents us with "Blind Date with Two Unknowns," his latest collection of the 100 most beautiful math puzzles. Enjoy your brain workout!.