Robin and Josie are used to working with a keyboard player who became a physicist, but this week they're joined by a physicist who became a keyboard player, not to mention legendary songwriter, best selling author and founding member of Australia's biggest band, Cold Chisel. Don Walker joins the show to chat about writing songs, his book Shots plus Jorge Luis Borges, Gore Vidal, Ray Bradbury and much more. And remember, to hear the extended 1 hour version of the show become a patron at patreon.com/bookshambles Extended episodes, bonus episodes, prizes and more.