Bernardo Bernardi, one of the pioneers of the anthropological study of age class systems, provides a way of making sense of the diversity of such systems by analysing cross-culturally their common features and the pattern of their differences, and showing that they serve a general purpose for the organization of society and for the distribution and rotation of power. CONDITION â USED: Books sold are in GOOD or better condition. Good Condition: Minimal damage to the cover, dust jacket may not be included, minimal wear to binding, most of the pages undamaged(e.g., minimal creases or tears), highlighting / underlining acceptable on books as long as the text is readable and markings are not excessive, no missing pages. May be a former library book, with usual treatments(e.g., mylar covers, call stickers, stamps, card pockets, barcodes, or remainder marks). Extra components, such as CDs, DVDs, figurines, or access codes are not included. ISBN: 9780521314824 ISBN10: 0521314828 Contributors: Kertzer, David I., Bernardi, Bernardo,