After the snow

"Fifteen-year-old Willo Blake, born after the 2059 snows that ushered in a new ice age, encounters outlaws, halfmen, and an abandoned girl as he journeys in search of his family, who mysteriously disappeared from the freezing mountain that was their home."@en
"Fifteen-year-old Willo Blake, born after the 2059 snows that ushered in a new ice age, encounters outlaws, halfmen, and an abandoned girl as he journeys in search of his family, who mysteriously disappeared from the freezing mountain that was their home."
"The oceans stopped working before Willo was born, so the world of ice and snow is all he's ever known. He lives with his family deep in the wilderness, far from the government's controlling grasp. Willo's survival skills are put to the test when he arrives home one day to find his family gone. It could be the government; it could be scavengers--all Willo knows is he has to find refuge and his family. It is a journey that will take him into the city he's always avoided, with a girl who needs his help more than he knows."@en