The Human Life Foundation - Washington D.C. Malicorne sur Sarthe, 72, Pays de la Loire, France 1975 Book condition, Etat : Bon paperback, editor's wrappers In-8 1 vol. - 45 pages
1st edition Contents, Chapitres : Foreword, Orientation - Fertility awareness - Basal body temperature (BBT) method - Sympto-thermal method - Overall training objective - fine copy, no markings