Foundational works in classic philosophy include 'The Republic' by Plato, 'Nicomachean Ethics' by Aristotle, and 'Meditations' by Marcus Aurelius. These texts delve into topics such as justice, virtue, ethics, and the nature of reality, providing essential insights into ancient philosophical thought.

Influential modern philosophy books include 'Being and Time' by Martin Heidegger, 'A Theory of Justice' by John Rawls, and 'The Second Sex' by Simone de Beauvoir. These works address existentialism, political philosophy, and feminist theory, offering modern perspectives on age-old philosophical questions.

Beginners in philosophy might start with 'Sophie's World' by Jostein Gaarder. This novel introduces readers to the history of philosophical thought through an engaging and accessible narrative, making complex ideas easier to understand.

Yes, 'Zen and the Art of Motorcycle Maintenance' by Robert M. Pirsig is a book that combines classic and modern philosophical ideas. It explores the concept of Quality and the dichotomy between classical and romantic modes of understanding, blending philosophical inquiry with personal narrative.

'A History of Western Philosophy' by Bertrand Russell provides a comprehensive overview of Western philosophy. It covers major philosophers and movements from ancient Greece to the 20th century, offering readers a detailed and engaging account of philosophical development in the Western world.