Sun Walks Down

***Out now: Fiona McFarlane''s latest book HIGHWAY THIRTEEN*** SHORTLISTED FOR THE WALTER SCOTT PRIZE ''Brilliant, fresh and compulsively readable'' ANN PATCHETT ''A blazing mystery . . . tremendous'' GUARDIAN ''Masterful storytelling'' WASHINGTON POST ''Gloriously orchestrated . . . kaleidoscopic'' IRISH TIMES ''A thrilling success'' WALL STREET JOURNAL An epic tale of unsettlement, history, myth, art and love - and of a small boy lost in the Australian desert from the prize-winning author of The Night Guest and The High Places. In September 1883, in a small town in the South Australian outback, six-year-old Denny Wallace goes missing. As a dust storm sweeps across the landscape, the entire community is caught up in the search. Scouring the desert and mountains, the residents of Fairly - newlyweds,