Filled with flight, nature, campouts and monarchs, Pops' annual visits with his grandchild Sparks are nearly as extraordinary as the butterfly migration he joins to travel south. Year after year, Pops and Sparks search to find the fleeting phenomenon that sometimes appears when monarchs stop to rest. "The Butterfly Tree" presents Sparks as an older child recalling the treasured visits and the subsequent emotional journey through and beyond bewildering feelings that emerge when Pops dies. With fewer than 1,000 words, the story presents complex emotions with simplicity and intelligence....