I recently bought the unseen by Saul Leiter, beautiful book with a lot of great photos.

I am curious though as someone who’s never taken a photography class, what are the best ways to learn from a book like this?

-what should I be looking for? -compositions? -should I be trying to guess how he took certain shots? -the lighting?

Any tips would be helpful as I love his style and I love street photography and would love to be able to learn from this book rather than simply appreciate the beautiful photos… or maybe that’s just part of it?