Foreword / by Sean Carroll --
Winter is coming--or is it? Seasons in Westeros --
And now my watch begins : the science of an ice wall --
North of the wall : how to survive in the cold --
White walkers, zombies, parasites, and statistics --
Regular steel, made in Pittsburgh --
Valyrian steel, made in Damascus --
Dragon biology : bats, but with fire --
How to kill a white walker : the physics of dragonglass --
Harrenhall : can fire melt stone? take down a wall? --
The battle of the Blackwater : the science of wildfire --
Houses Targaryen and Lannister : the genetics of a family tree with few branches --
We do not sow : the science of the sea --
The king's justice : the biology of a gruesome death --