Internationally best-selling author Martin Walker visits from his home in the Perigord (southwestern France) with two new books: “A Chateau Under Siege” and “Bruno’s Cookbook.” In this conversation, Walker talks about the fascinating true topics that influenced his latest Bruno, Chief of Police mystery including South Dakota’s role in the lives of the mega-rich and 2D graphene. You’ll also learn how “old man tennis” is to thank for the wonderfully colorful characters in his Bruno books. Plus, we discuss “Bruno’s Cookbook,” which features recipes Bruno regularly cooks up in the novels, as well as many scenes from Walker’s home in the Perigord. You’ll learn what makes this cookbook unconventional and the dish Walker invented. Plus, you’ll want to stick around until the end for a special treat years in the making.