Here are some reasonably current draft chapters for Semantics Without Truth Values (to appear with OUP).
Drafts with earlier dates are, of course, defunct.
Comments (to pietro@umd.edu) are welcome.
And since these are drafts, subject to change, please don't quote

Chapter One
Chapter Two
Chapter Three

Chapters four to six will be available soon. I'm still tinkering.
But to a large extent, these last chapters are revisions/extensions of three recent papers...

Semantic Monadicity with Conceptual Polyadicity (in the Oxford Handbook of Compositionality, edited by Werning/Machery/Hinzen, in press)
Minimal Semantic Instructions (in the Oxford Handbook of Linguistic Minimalism, edited by Cedric Boeckx, 2011).
Concepts, Meanings, and Truth: First Nature, Second Nature, and Hard Work (Mind and Language 25: 247-78, 2010).