The Relationship Between the Mind and Nature.

Literary agent Richard Curtis. He's represented many bestselling authors, and has written some award-winning fiction of his own. He was the first president of the Independent Literary Agents Association, and he writes "Agent's Corner," a column for Locus magazine. His new book is called Beyond the Bestseller: A Literary Agent Takes You Inside the Book Business. It's an insider's guide to the literary world that includes discussion of literary agencies, advances, fees, royalties, expenses, and other advice for authors. (Interview with Sedge Thomson)

Classical music critic Lloyd Schwartz reviews a recording of what he considers two of Mozart's most beautiful works of chamber music for string quartet and winds. The recording features the British Gabrieli String Quartet.

Critic-at-large Laurie Stone, just back from the "Just for Laughs Festival," a stand up comedy festival in Montreal, assesses the current state of standup.