New Books at a Glance 401 Notes on Contributors 435 EXTENT AND NATURE OF CIRCULATION: Average number of copies of each issue published during the preceding twelve months: (A) total number of copies printed, 387; (B.1) paid/requested mail subscriptions, 271; (C) total paid/requested circulation, 307; (D.1) samples, complimentary, and other nonrequested copies, 20; (D.4) nonrequested copies distributed through the USPS by other classes of mail, 5; (E) total nonrequested distribution (sum of D.1 & D.4), 25; (F) total distribution (sum of C & E), 332; (G) copies not distributed (office use, leftover, unaccounted, spoiled after printing, returns from news agents), 62; (H) total (sum of F & G), 392. Actual number of copies of a single issue published nearest to filing date : (A) total number of copies printed, 400; (B.1) paid/requested mail subscriptions, 212; (C) total paid/requested circulation, 273; (D.1) samples, complimentary, and other nonrequested copies, 30; (D.4) nonrequested copies distributed through the USPS by other classes of mail, 5; (E) total nonrequested distribution (sum of D.1 & D.4), 35; (F) total distribution (sum of C & E), 308; (G) copies not distributed (office use, leftover, unaccounted, spoiled after printing, returns from news agents), 99; (H) total (sum of F & G), 407.