The two them wrote books that are a must read for every man, everything politicians and poet.. They deal with pastoral life and love. Before 29 BCE came one of the best of all didactic works, the four hooks of Georgics on tillage, trees, cattle, and bees. Virgil's remaining years were spent in composing his great, not wholly finished, epic the Aeneid, on the traditional theme of Rome's origins through Aeneas of Troy