Although a great deal of the subject matter is quite alarming, Harvest for Hope is not all pessimistic. As the titles suggest, Goodall provides empowering advice about how we can make a positive difference-in our eating habits, agriculture systems and environment.the hope lies in organic farming and she encourages us all to get on board. Goodall also peppers her books with poignant vignettes about her childhood, her own relationship with food and her passion for primates.