**A Sunday Times and New York Times bestseller** Out now: The bestselling book from the creator
of the wildly popular science YouTube channel Kurzgesagt - In a Nutshell a gorgeously
illustrated deep dive into the immune system that will change how you think about your body
forever. Please note: the originally supplied fixed format edition of the eBook has now been
replaced to address difficulties experienced by some readers. Please delete the previous
version from your device and download the new edition. __________'A truly brilliant
introduction to the human body's vast system for fighting infections and other threats' JOHN
GREEN #1 New York Times bestselling author of The Fault in Our Stars 'Reads as if it's a
riveting sci-fi novel . . . a delightful treat for the curious' TIM URBAN creator of Wait But
Why __________ You wake up and feel a tickle in your throat. Your head hurts. You're mildly
annoyed as you get the kids ready for school and dress for work yourself. Meanwhile an utterly
epic war is being fought just below your skin. Millions are fighting and dying for you to be
able to complain as you drink your cup of tea and head out the door. So what exactly IS your
immune system? Second only to the human brain in its complexity it is one of the oldest and
most critical facets of life on Earth. Without it you would die within days. In Immune
Philipp Dettmer the brains behind the most popular science channel on YouTube takes readers
on a journey through the fortress of the human body and its defences. There is a constant
battle of staggering scale raging within us full of stories of invasion strategy defeat and
noble self-sacrifice. In fact in the time you've been reading this your immune system has
probably identified and eradicated a cancer cell that started to grow in your body. Each
chapter delves deeply into an element of the immune system including defences like antibodies
and inflammation as well as threats like viruses bacteria allergies and cancer as Dettmer
reveals why boosting your immune system is actually nonsense how parasites sneak their way
past your body's defences how viruses - including the coronavirus - work and what goes on in
your wounds when you cut yourself. Enlivened by engaging full-colour graphics and immersive
descriptions Immune turns one of the most intricate interconnected and confusing subjects -
immunology - into a gripping adventure through an astonishing alien landscape. Challenging what
you know and think about your own body and how it defends you against all sorts of maladies and
how it might also eventually be your own downfall Immune is a vital and remarkably fun crash
course in what is arguably and increasingly the most important system in the body. __________