What is a selfish gene? What are the kingdoms of life? Why are there no car-sized bugs and beetles? Glenn Murphy, author of Why is Snot Green?, answers these and a lot of other brilliant questions in this funny and informative book. Packed with doodles and information about all sorts of incredible things, from how we evolved from chemical soup to shrews to human beings, and why bugs really do rule the world, this book contains absolutely no boring bits!

What happens in your head during a headache? What are toes for? Why are some farts eggier than others? Glenn Murphy, author of Why is Snot Green?, answers these and a lot of other brilliant questions in this funny and informative book. Packed with doodles and information about all sorts of incredible things, from scabs, cells and broken bones to brainpower, bacteria and deadly diseases, this book contains absolutely no boring bits!

What's worse than finding a maggot in your apple? Which smells worse: a rotten egg or a rotten leg? What are sick and poo made of? Glenn Murphy, author of Why is Snot Green? explains how being revolted (and sometimes being revolting) can be both brilliantly beneficial and stupendously silly in this fantastically informative book. Packed with illustrations, photographs, information and jokes about all sorts of disgusting things, from bugs, bacteria and sweaty armpits to exploding bodies and creepy-crawly creatures, this book contains absolutely no boring bits!

What is a black hole? How do we know that stars and galaxies are billions of years old? What is the difference between stars and planets? Glenn Murphy, author of Why is Snot Green?, answers these and a lot of other brilliant questions in this funny and informative book. Packed with doodles and information about all sorts of incredible things, like supermassive black holes, galaxies, telescopes, planets, solar flares, constellations, eclipses and red dwarfs, this book contains absolutely no boring bits!