Vivid, amusing, at times shocking -- Wiseman's meticulous images of how the world would handle humanity's disappearance engross the reader and linger in the mind. I'm a little in awe of how he managed to trace the consequences of humanity's presence here without condescending to the reader or falling completely over the edge in territory that can easily get hopelessly depressing. Focused, beautifully researched, motivating, even hopeful -- I'd recommend it to anyone.