Philosophy of Mathematics: Selected Writings
Charles Sanders Peirce
Calculus Made Easy
Martin Gardner & Silvanus P. Thompson
The Adventure of Charles Augustus Milverton
Arthur Conan Doyle
The Return of Sherlock Holmes (7)
Reduce Me to Love: Unlocking the Secret to Lasting Joy
Joyce Meyer
Classical Arabic Philosophy: An Anthology of Sources
Jon McGinnis & David C. Reisman
The Puzzle of Conscious Experiences (Article)
David John Chalmers