The Number Games by Adam Spencer

Who's smarter - a foure-year-old chimp or a four-year-old human? How much does it cost to stop a computer virus? And will you really become a billionaire at 31?
The answers to all these questions - as well as over 100 brain-busting and mind-bending number games, puzzles and quizzes - are in Adam Spencer's The Number Games.
It doesn't matter if you're 6 or 60, this fascinating adventure from 1 to 100 is the perfect way to exercise the grey matter, keep you sharp... and make you, well, generally AWESOME!
So sharpen your pencils and get ready for this year's most exciting battle: The Number Games.
For almost 20 years Australia's favourite mathematician Adam Spencer has been entertaining us. On triple j, ABC radio, on TV and through his hugely popular maths books, he's established himself as our funniest and most famous geek.
Find him on Twitter, Facebook, Instagram and at adamspencer.com.au