Design your Life...'Design Your Self': Book Tips from Karim Rashid...Last Minute Gifts
From designing things, Karim Rashid took the plunge and wrote 'Design your Self' to share advice on how to improve your wardrobe, work space, love life and eating habits.
He offers signed copies on his Online Store ($25).
Classify under last minute gift ideas.
I am not sure if he mentions Zen Gardening in it.