on Orders over $35
on Orders over $35
4.36 / 5.0
22 Reviews
A smorgasbord of math puzzles, factoids, quotations, trivia, formulas, and much more Are you fascinated by numbers and want to learn more? does t...
View full detailsA walk through history's most mind-boggling puzzles Ever since the Sphinx asked his legendary riddle of Oedipus, riddles, conundrums, and puzzles o...
View full detailsA visual journey to the intersection of math and imagination, guided by an award-winning author Mathematics is right brain work, art left brain, r...
View full details3.5 / 5.0
4 Reviews
Why do leopards grow spots when tigers grow stripes? Is the universe round, square, or some other shape? How do the dimples in a golf ball give it ...
View full details“When I’m dead and buried...you get the hell out of here...Make a life somewhere else...a life that I can’t even imagine.” Jo Salter, a woman fro...
View full details