The winners of the Australian Book Review prestigious Calibre Essay Prize this year, Michael Adams and Darius Sepehri, read extracts from their Prize-winning essays, and discuss the themes of grief and mortality found in both pieces. Michael Adams, an associate professor of Human Geography at the University of Wollongong, won first prize for ‘Salt Blood’, a remarkable and highly original meditation on freediving and mortality, which was published in the June-July 2017 issue of Australian Book Review. Darius Sepehri, a PhD student at the University of Sydney, won the second prize for his essay ‘To Speak of Sorrow’, an essay about the many kinds of grief and their different expressions in writing and culture, as lament, testimony, or ritual. His essay will be published in the August issue of Australian Book Review. Hosted by Peter Rose, Editor of Australian Book Review. A Sydney Ideas event at the University of Sydney on Monday 7 August, 2017 http://sydney.edu.au/sydney_ideas/lectures/2017/australian_book_review_calibre_essay.shtml