The book titled ""C. Plinii Caecilii Secundi Epistulae: Ad Traianum Imperatorem Cum Eiusdem Responsis"" is a collection of letters written by Pliny the Younger to the Roman Emperor Trajan. The book was published in 1889 and contains both Pliny's letters and Trajan's responses.Pliny's letters cover a wide range of topics, including politics, religion, and daily life in the Roman Empire. He also discusses his own personal experiences and relationships...