A fitting tribute to Professor MacKenzie’s enormous contribution to modern imperial history. In the spirit of MacKenzie’s expansive vision, this collection works both as a summation of his career and also as a stimulus to further research.'Saul Dubow, Professor of History, Sussex UniversityCoincident attention to genealogy and innovative potential is the hallmark of this collection.Leonardi and Ward, among others, connect recent cutting-edge scholarshipwith its still-active ancestor: John M. MacKenzie, the founding editor of the Studies inImperialism. The theme reappears subtly in Robert Aldrich’s study of gender in empire,as he demonstrates that the series carved out a space for sexuality to be taken seriouslyas a point of historical investigation, and, more pointedly, when Dane Kennedy tracesa clear path from early histories of exploration to the environmental histories now invogue in the academy. In fact, the dual vantage points make this collection much morethan a retrospective. While each of the essays elucidates the importance of past contributionsto the eld, the assembled authors also propose compelling future paths of inquiry.