The Hegemon’s Tool Kit: US Leadership and the Politics of the Nuclear Nonproliferation Regime, <subtitle>by Rebecca Davis Gibbons, Ithaca, NY, USA, Cornell University Press, 2022, 240 pp., $49.95 (hardcover), ISBN: 978-1-5017-6485-1</subtitle> <source><bold>The Hegemon’s Tool Kit: US Leadership and the Politics of the Nuclear Nonproliferation Regime,</bold></source> by <contrib-group person-group-type="author"><contrib contrib-type="author"><string-name xml:space="preserve" name-style="western"><given-names>Rebecca Davis</given-names><x xml:space="preserve"> </x><surname>Gibbons</surname></string-name></contrib></contrib-group>, <publisher-loc>Ithaca, NY, USA</publisher-loc>, <publisher-name>Cornell University Press</publisher-name>, <year>2022</year>, <page-range>240</page-range> pp., <price>$49.95</price> (hardcover), ISBN: <isbn>978-1-5017-6485-1</isbn>