Do you know how many zeros there are in a duotrigintillion? Or which country has the greatest number of smartphones? Have you ever heard of the 'curiosity gap'? And do you know how fast the speediest passenger zooms over the tracks? Discover the answers to all these and much, more more in Big Countdown: Technology. The Big Countdown looks at popular topics and investigates the great many numbers that make them fascinating. From the mind-bogglingly large to smallest and most precious, this series helps us understand that it's not just our days that are numbered. Ideal reading for number-crunchers aged 9 and up.

Author Biography

Paul's books cover a wide range of subjects, from whether the Romans ate crisps to how to build the world's best skatepark, but he writes mostly about sport. Whether you are interested in swimming, cycling, snowboarding, surfing or another sport, Paul has probably written something that will inspire you to get out and give it a try. Paul writes in a shack by the beach, which he shares with his one-eyed surf dog, Daisy.