Dennis talks to Eben Alexander, an atheist neurosurgeon who experienced life after death. His new book is Proof of Heaven: A Neurosurgeon's Journey into the Afterlife.

Dennis talks again to Scott Bolzan about his new book, My Life Deleted: A Memoir, now out in paperback. 

Dennis talks to Elizabeth Nickson about her new book, Eco-Fascists: How Radical Conservationists Are Destroying Our Natural Heritage.

You can find more info on Dr. Michael Richman here. Here's the Richmond, VA lab to which Dr. Richman referred. 

Dennis talks to Steve Emerson, founder and executive director of The Investigative Project on Terrorism. His new documentary is Jihad in America: The Grand Deception. You can find out more about Emerson and his organization here. 

Dennis talks to Greg Gutfeld, co-host of the Fox News show, "The Five," about his new book The Joy of Hate: How to Triumph over Whiners in the Age of Phony Outrage 

Dennis talks to Jonathan Sacks, Chief Rabbi of Great Britain. His new book is The Great Partnership: Science, Religion, and the Search for Meaning

Dennis talks to Greg Lukianoff. His new book is Unlearning Liberty: Campus Censorship and the End of American Debate. 

Dennis talks to Richard Sander, Professor of Economics. His new book is Mismatch: How Affirmative Action Hurts Students It's Intended to Help, and Why Universities Won't Admit It. 

Dennis talks to Nicholas Eberstadt, senior fellow at the American Enterprise Institute. His new book is A Nation of Takers: America's Entitlement Epidemic.

Dennis talks to best-selling historian Simon Montefiore. His new book is Jerusalem: The Biography. 

Dennis talks to award winning documentary film-maker, Errol Morris, about his new book, A Wilderness of Error: The Trials of Jeffrey MacDonald 

Dennis talks to Larry Elder, friend and fellow talk show host. His new book is Dear Father, Dear Son: Two Lives... Eight Hours

Dennis talks to Larry Schweikart, professor of history at the University of Dayton. His new book is A Patriot's History of the Modern World: From America's Exceptional Ascent to the Atomic Bomb: 1898-1945

Dennis talks to George Gilder, reknowned thinker and founder of The Discovery Institute. His new book is The Israel Test, now out in paperback.