Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required.
To get the free app, enter your mobile phone number.
Hoverdia Eighteen: Logic Number Puzzle Paperback – June 5, 2007
"Enlightenment Now: The Case for Reason, Science, Humanism, and Progress"
Is the world really falling apart? Is the ideal of progress obsolete? Cognitive scientist and public intellectual Steven Pinker urges us to step back from the gory headlines and prophecies of doom, and instead, follow the data: In seventy-five jaw-dropping graphs, Pinker shows that life, health, prosperity, safety, peace, knowledge, and happiness are on the rise. Learn more
Top customer reviews
There was a problem filtering reviews right now. Please try again later.
pre-set numbers filled in, its up to the solver to fill in the other
44 numbers. Since we know that one of the rules is to make the numbers
in the 4 x 4 boxes add up to 18, it makes solving that much easier.