We have great respect for Levy's teachings, and this book is a gem with no equal. We continue to glean insight from re-referencing this book, deepening our knowledge through Levy's counsel. ... When applying Levy's wisdoms to contemporary dog and cat care, review the ideas with an open-minded vet, just to check that no harm will result. Note that, in general, dogs' systems are more tolerant of herbal tonics and food therapies than are cats. Also, importantly, note that some of the old pet treatments and remedies have been shown to be less than safe. ... At the same time, many old treatments and tonics lay waiting to be rediscovered, and Levy's writings are a primary gateway to recouping lost knowledge of natural pet health. ( )