Authors of the excellent "Clear and Simple as the Truth: Writing Classic Prose," Francis-Noël Thomas and Mark Turner, have this to say about Elements of Style:

Authors of the excellent "Clear and Simple as the Truth: Writing Classic Prose," Francis-Noël Thomas and Mark Turner, have this to say about Elements of Style: Strunk and White’s disarming treatment of what everybody really needs to know about writing has been treasured by genera￾tions of people who are occasionally forced to write something and view the prospect with a sinking feeling of dread. As a guide to writing, The Elements of Style, being little more than an apparently arbitrary mixture of grammatical digest, handy list of common mistakes, and expert hand-holding, is drastically incomplete, but it is a masterpiece of psychological insight. Its attractions derive, we suspect, first, from its implicit, cheery, and optimistic promise that if you just read its few pages and work those few surface tricks it teaches you (“In summaries, keep to one tense,” “less should not be used for fewer”), you will not embarrass yourself; second, from its exhortatory cheerleading that seems so assured and upbeat; and third, from its tone of common sense that masks, at key points, an essential vacuousness: “Choose a suitable design and hold to it.” Edit: oh and by the way, the two authors recommend this as a better alternative (I haven't read it): Style: Toward Clarity and Grace, by Joseph Williams and Gregory Colomb