Animals don't exist in order to teach us things, but that is what they have always done, and most of what they teach us is what we think we know about ourselves. Helen Macdonald's bestselling debut H is for Hawk brought the astonishing story of her relationship with goshawk Mabel to global critical acclaim and announced Macdonald as one of this century's most important and insightful nature writers. H is for Hawk won the Samuel...