The 2011 CBC Massey Lectures celebrates fifty years with bestselling author, essayist, cultural observer, and famed New Yorker contributor Adam Gopnik, whose subject is winter -- the season, the space, the cycle. Gopnik takes us on an intimate tour of the artists, poets, composers, writers, explorers, scientists, and thinkers, who helped shape a new and modern idea of winter. Here we learn how a poem by William Cowper heralds the arrival of the middle class; how snow science