Just found these books. Haven't read them yet, I must admit, however, I think its a subject that needs to be thought about when out in the garden. I personally find being in the garden and outdoors at the local parks or in the countryside very spiritual. Its a time when you can be one with creation and enjoy fresh air and the trees swaying in the wind. I know from watching my children, how being in the countryside helps them to relax and rejuvenate.