"Olivia and Mei jump in the snow and compare their footprints to figure out who jumped farther and who jumped more times"--

" Meet the man living alone in the mountains whose hobby of measuring snowfall led to a global understanding of climate change in this nonfiction picture book from celebrated mother-son team Jonah and Jeanette Winter. When billy barr came to the mountains as a young man, his only companions were a skunk and a pine marten. He needed something to fill the hours. So he began measuring the snow that fell. Day after day, and year after year, he measured....