Check these out. Lots of ideas here for efficient urban gardening:
‘The Square Foot Garden’ - Mel Bartholomew
‘How to Grow More Food on Less Land...’ - John Jeavons
‘Lasagna Gardening’ - Patricia Lanza
And if you’ve never met THESE people, you’re in for a treat. They do it all on a 1/4 acre lot in suburban CA:
Wow. That Path to Freedom site is inspiring. Thanks for sharing.