Jeff Speck has written a great book called "Walkable City." I have nothing to do with city planning, but I found it super-interesting.
https://www.amazon.com/Walkable-City-Downtown-Save-America/d...
https://www.amazon.com/Walkable-City-Downtown-Save-America/d...
Another good book is 'Happy City' although I liked Walkable City more.
https://www.amazon.com/Happy-City-Transforming-Through-Desig...
He has a couple talks he gives, one of which he's given at TED.