This year marked the 65th anniversary of the security treaty between Australia and the US. It was also the 50th anniversary of the first presidential visit to Australia: LBJ on the eve of the 1966 federal election. But in the wake of the Donald Trump election is it time to cut the strings and go it alone? A new book looks at Australian perspectives and policy choices, the US role in Asia and the Pacific and the future challenges that our most important relationship may face.