Rodent Societies: An Ecological and Evolutionary Perspective.Edited byJerry O Wolff and Paul W Sherman. Chicago (Illinois): University of Chicago Press. $125.00 (hardcover); $49.00 (paper). xv + 610 p; ill.; subject and species indexes. ISBN:978‐0‐226‐90536‐5 (hc); 978‐0‐226‐90537‐2 (pb). 2007.