The work really is great, and does a marvelous job of evoking this era. He could even write--the grant proposal that got him the money for this (included) is perhaps the best, most concise, most haunting proposal I've ever seen.
Very puzzling why some of these images took 40 years to be published. Here's hoping there's some more magic hiding in his immense trove of mostly-unseen work.
But as good as this is, if you're new to Winogrand "The Man in the Crowd" is nearly as good for a couple hundred less.