Books (b): on ethics, epistemology, and Wittgenstein's Tractatus Logico-Philosophicus.
 The Animals Issue: moral theory in practice. CUP, 1992.
 Human Knowledge and Human Nature: a new introduction to an ancient debate. OUP, 1992.
Full text here (minus notes).
 The Metaphysics of the Tractatus. CUP, 1990.
Full text here. (Adobe Acrobat, by chapter. Notes are collected in a separate file at the end.)
(Note: files may need to be rotated clockwise in your browser.)
 Tractarian Semantics: finding sense in Wittgenstein’s Tractatus. Blackwell, 1989.
Full text here. (Adobe Acrobat, by chapter with relevant note pages attached.)