marker, and is arranged according to the latest Angiosperm Phylogeny Group classification system--with trees sorted by taxonomic orders and grouped by family, so that related species are presented together. Readers will appreciate the crisp detail of the photographs; range maps (reflecting the impact of climate change); physical descriptions; and information on fruit, habitat, uses, and similar species. The guide includes an important new category on conservation status and essays by leading scholars who provide holistic insights into the world of trees. Whether putting a name to the towering conifers spotted along a hike, or trying to determine which pesky tree is encroaching on the patio, readers will come to rely on this work of remarkable breadth, depth, and elegance. It is a must-have reference for the library of any nature lover, and is poised to become the #1 guide in the field.