The late Professor Leslie Zines AO is widely regarded as one of Australia’s pre-eminent experts on constitutional law. He authored several of the seminal texts, including The High Court and the Constitution, Constitutional Change in the Commonwealth, Federal Jurisdiction in Australia, and a number of other books, articles and book chapters. This collection of essays and commentaries brings together many of Australia’s leading authorities on Australian constitutional law to pay tribute to Professor Zines’ enduring legacy. The contributions cover a wide range of contemporary constitutional questions: the establishment of an Australian international commercial tribunal; the executive power following the Williams cases; punishment and Ch III of the Constitution; the law applicable in federal jurisdiction; constitutional method through the lens of the citizenship cases; current issues in political communication; the Kable legacy and impact on the Australian judicial system; and s 92 in its second century.