Puzzled

As a child, David Astle''s hero was the Riddler. Figuring out brainteasers like ''Where is a man drowned but still not wet?'' (quicksand) and ''How many sides has a circle?'' (two - the inside and the outside) became an obsession and, eventually, his life: his cryptic crosswords now appear in The Age and Sydney Morning Herald every week, to the delight and frustration of thousands.In Puzzled, Astl...