Nonfiction writer Ptolemy Tompkins, son of New Age writer Peter Tompkins. Ptolemy has written a memoir, "Paradise Fever: Growing up in the Shadow of the New Age," (Avon) about growing up the son of Peter Tompkins, the author of the cult bestseller "The Secret Life of Plants" who was also a World War II spy. Ptolemy Tompkins is the author of several other nonfiction works.