...genuinely thought-provoking...Mulhall subverts ingrained readings of the text, challenging the reader to re-examine features of Wittgenstein's work she may have, unwisely taken for granted.
Genia Schönbaumsfeld MIND
This is an extremely important book, written in a style at once subtle and nuanced as well as strikingly compelling
Steven Hall Philosophical Investigations 31.3 July 08
it is hard to imagine a more subtle, searching or sensitive exploration of Wittgenstein's remarks on private language
Quassim Cassam, Times Literary Supplement