Healthy eating becomes a hazard when a local farm is sabotaged in this ninth book of the Nancy Drew Diaries.Nancy, Bess, and George are thinking about joining Black Creek Farm CSA (Community Supported Agriculture). Sam and Abby Heyworth run both Black Creeks organic farm and the CSA, a program where people pay to receive fresh fruits and vegetables throughout the growing season. Buyers get local produce at a reasonable price, the farmers get money...