I down into subsystemic hierarchies fascinating, don’t you? Actually, I don’t have a clue how anyone goes about that sort of thing, but author Joe Lstiburek, P.E., has taken contemporary building science and examined it every which way but loose, with results well worth keeping on hand. Lstiburek has created a four-book companion-series, respectively titled Builder’s Guide for Hot-Humid Climates, Builder’s Guide for Mixed-Humid Climates, Builder’s Guide for Cold Climates, and Builder’s Guide for Hot-Dry & Mixed-Dry Climates (Building Science Corporation, 70 Main St., Westford, MA 01886; 978/589-5100; www.buildingscience.com; $40 each). The Guides illustrate contemporary building systems logic and how-to that I haven’t seen articulated to this extent anywhere else. we’re told that “Buildings should be suited to their environment. It is