- Maria Treben's herbal remedies are the focus of this site and a library of FREE ebooks that is available there.br br Maria Treben is most known for her over 8 million copy Best Seller, "Health Through God's Pharmacy: Advice and Experiences with Medicinal Herbs", that was eventually renamed "Health Through God's Pharmacy: Advice and Proven Cures with Medicinal Herbs", which should be considered as ample validity of the truth in it's pages of herbal remedies.