Readers take a journey through the human body, learning why (almost) every organ has a purpose and how the old adage 'What doesn't kill you makes you stronger' is actually true in some ways. From the bacteria that fills our bodies to babies' lack of kneecaps when they're born, no stone is left unturned in this freakish compilation of all things anatomical.

A new face -- Your unusual body -- A strange gene -- Under attack -- To the extremes -- The highest heights -- Born together -- Phantom limbs -- Deep freeze.