Yesterday marked the 50th anniversary of the disappearance of the Beaumont children from South Australia. It remains one of Australia’s most enduring mysteries, and it looks more and more unlikely that the crime will be solved before the deaths of Jane, Arnna and Grant’s elderly parents, if ever. I picked three humble chive blossoms to remember the children by, but the candle I lit for Nancy Beaumont, the children’s mother. It was an intrigue with how it is possible to live ones life amidst such unresolved grief that eventually seeded the idea of my novel in progress, She Sells Sunshine, which is about the disappearance of a three year old child and what her mother does in order to be able to make it…