NAVIES IN MULTIPOLAR WORLDS: FROM THE AGE OF SAIL TO THE PRESENT: edited by PAUL KENNEDY & EVAN WILSON (Routledge – £120.00) ISBN 9780 3674 2722 1 278 pages EUROPE, SMALL NAVIES AND MARITIME SECURITY: BALANCING TRADITIONAL ROLES AND EMERGENT THREATS IN THE 21ST CENTURY: edited by ROBERT MCCABE, DEBORAH SANDERS & IAN SPELLER (Routledge – £120.00) ISBN 9780 3672 5222 9 254 pages The unipolar moment has come and gone. Once more we appear to inhabit an age of multipolarity, with states rising, falling, challenging and, potentially, changing the global order. But what does that mean for the…