London: Macmillan & Co, 1911. First English language edition. Cloth. 8vo. xvi, 425, ,  pages.First English Language Edition. Blue Hardcover. Tanning to front and rear flyleaves. Nice clean, tight copy.
London: Longmans, Green, and Co., 1911. First edition. cloth. 8 vo. 237pp. Cloth. First edition. Published after his death in 1910, this introduction to philosophy is one of James most systematic and abstract works. Front and rear flyleaves are tanned.A few spots of foxing on titlepage.