Who was Umberto Nobile? On this edition of Conversations, Mark Piesing talks with host Dan Skinner about “N-4 Down: The Hunt for the Arctic Airship Italia.” Piesing has written for the BBC, “The Guardian,” “The Economist” and “Wired.” The crash of the Airship Italia led to the largest polar rescue mission in history.

On this edition of Conversations, Brendan Kiely talks with host Dan Skinner about “The Other Talk: Reckoning with Our White Privilege.” Kiely is The New York Times bestselling author of “All American Boys,” “Tradition,” “The Last True Love Story” and “The Gospel of Winter.” Among other awards, his work has received the Coretta Scott King Author Honor Award.

On this edition of Conversations, Robbie Bach talks with host Dan Skinner about his debut novel, “The Wilkes Insurrection – A Contemporary Thriller.” Bach is best known for founding and leading the team that created the Xbox. Today he is an entertaining storyteller and catalyzing voice who writes books and speaks to audiences on leadership, creativity, strategy and civic issues.

On this edition of Conversations, Anne B. Gass talks with host Dan Skinner about "We Demand: The Suffrage Road Trip.” Gass is an independent historian, activist and author who speaks frequently on the topic of suffrage and women's rights history. She serves on Maine's Permanent Commission on the Status of Women.

Just in time for Halloween! On this edition of Conversations, Erika Engelhaupt talks with host Dan Skinner about National Geographic’s “Gory Details: Adventures from the Dark Side of Science.” Engelhaupt began her career as a scientist and has spent more than a decade writing and editing for top science publications, including “National Geographic,” “Science News” and NPR.

Social Media. How much is too much? On this edition of Conversations, Dr. Brian Primack talks with host Dan Skinner about “You Are What You Click: How Being Selective, Positive, and Creative Can Transform Your Social Media Experience.” Dr. Primack is internationally known for his research into the complex interrelationships between media, technology and health.

On this edition of Conversations, Dr. Daniel Dick talks with host Dan Skinner about “The Child Code: Understanding Your Child’s Unique Nature of Happier, More Effective Parenting.” She is the distinguished Commonwealth Professor of Psychology and Human and Molecular Genetics at Virginia Commonwealth University, where she directs a research institute on behavioral and emotional health. She is an internationally recognized expert on genetic and environmental influences on human behavior.

On this edition of Conversations, Jeff Alworth talks with host Dan Skinner about the second edition of "The Beer Bible." Alworth is a writer living in Portland, Oregon. He writes about beer, cider, and occasionally, politics. His books include: “The Secrets of Master Brewers” and “Cider Made Simple.”

On this edition of Conversations, Lori M. Lee talks with host Dan Skinner about her novel, “Pahua and the Soul Stealer,” which features an 11-year-old Hmong girl. Lee describes herself as an avid reader, artist and unicorn aficionado who loves to write about magic, manipulation and family. She also writes a series of YA novels including Gates of Thread and Stone and Shamanborn.

What's good about anxiety? On this edition of Conversations, Dr. Wendy Suzuki talks with host Dan Skinner about “Good Anxiety: Harnessing the Power of the Most Misunderstood Emotion.”