"De Rerum Natura" is a long didactic poem written in the first century BC, which explores Epicurean philosophy and the nature of the universe. The text delves into topics such as the nature of the gods, the atomic structure of the universe, human sensation and thought, and the fear of death. The author argues that understanding the physical world can free humans from superstition and fear, leading to peace of mind and true happiness.

"Marius the Epicurean" is a philosophical novel that explores the life of Marius, a young Roman, during the reign of Marcus Aurelius. The narrative follows Marius's intellectual and spiritual development as he navigates the complexities of Roman society, with its intricate blend of paganism and emerging Christianity. The protagonist grapples with existential questions and moral dilemmas, seeking to understand the nature of pleasure, the concept of duty, and the meaning of life. His journey culminates in his conversion to Christianity, symbolizing a shift from sensual pleasure to spiritual fulfillment.

The book explores the rediscovery of a long-lost poem by Lucretius, "On the Nature of Things," in the 15th century by an Italian humanist and book hunter. This poem's rediscovery, according to the book, led to a monumental shift in cultural and philosophical thought, paving the way for the Renaissance, the Enlightenment, and modern science. The book delves into the poem's content, which challenges religious dogma and promotes a world driven by natural laws and human innovation, and its profound influence on thinkers and artists for centuries.

"On the Ends of Good and Evil" is a philosophical work that explores the ethical theories of Hellenistic schools, including Stoicism, Epicureanism, and the Peripatetic tradition. Through a series of dialogues, the text delves into the nature of happiness and the ultimate end of human action, examining what constitutes the highest good. The author critiques and compares the doctrines of these schools, ultimately defending the Stoic view that virtue is the sole basis of happiness and the ultimate goal in life, while also acknowledging valuable insights from other philosophical traditions.