Despite its title, this is an extremely useful book: the first four of its five chapters expound the standard range of theories of practical reasoning more clearly and accurately than one might have thought possible. A measure of Schaubroeck’s authoritative handling of her material is her ability to navigate the peaks, troughs and crevasses of the myriad variations of ‘internalism’ and ‘externalism’ without inducing either vertigo or fury. Thus she patiently guides the reader through the stupefying obstacles along the route (...) of post-Bernard Williams usages of the terminology as well, it seems to me, as anyone could possibly do. Her specific focus, furthermore, on what she terms—albeit in my view somewhat misleadingly—Humean , Kantian and Platonic variations on a theme enables the reader to see very clearly just what is at stake in the tangled literature on practical reasoning and why it matters. As a guide for the perplexed, then, or for t .. (shrink)