You don't need the full PDF to start improving your attention right now. Try these three immediate "Walker-style" shifts:
We are a visually dominant culture. This section reawakens other senses.
A common query is: Where can I get "The Art of Noticing" by Rob Walker as a free PDF?
We spend most of our time looking at eye level or down. Look at the architecture above the first floor of buildings.
We panic when we are bored. We reach for the phone. Walker argues that the space between stimuli is where creativity thrives. One of his most powerful exercises is simply to sit in a waiting room for 15 minutes without a device. The flood of observations that follows is overwhelming. The PDF cannot do that work for you; you have to sit in the boredom.
Let's be honest about the format war.