After the runaway bestsellers Enormous Book of Numbers (2015) and Number Crunchers (2016), Australia's funniest maths dude is back with another bumper activity

Our very own Sultan of STEM, Crusader of Calculus, Prince of Pi - Adam Barrington Spencer - is back in 2019 with more teasing, tantalising and tricky maths game

Who's smarter -- a four-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?

This is a guide to the main developments in the history of British and Irish literature, charting some of the main features of literary language development and

Yottabytes, massive diamonds, the 1800s version of Fortnight - not to mention more pizza! These are just some of the marvels explained in Adam Spencer's Numberl