This book is the second volume of a critical edition of the writings of Thomas Reid, an edition that will include many of his manuscript remains as well as his previously published works. These volumes are intended to displace the heretofore standard 8th edition of Reid's works edited by Sir William Hamilton (1788–1856). Hamilton's edition is marred by his numerous, often intrusive, and obtuse footnotes. Reid's spelling and punctuation were also sometimes “corrected” by Hamilton, so his edition does not present a fully accurate version of the original editions whose publication was superintended by Reid. The type in the Hamilton edition is also archaic and very small, making reading the text excessively difficult. The present and subsequent volumes are intended to present canonical texts free of the flaws in the Hamilton text. This volume succeeds admirably in that project.