Kelly Starrett recommended this book in the "Tools of Titans" book.
"Compiles a bunch of great academic neuroscience and applied psychology research on habit formation." - Max Levchin
Mr. Money Mustache recommended this book on his blog.
"Interesting, not because of its content necessarily, but because it’s good for me to always keep on top of mind how powerful my habits are." - Naval Ravikant
"Fantastic. I got [this book] and I gave it to everyone in my company." - Ray Dalio
One of the books on Scott Adams' "Persuasion Reading List."
"A very good book." - Tim Ferriss