Andrew Pettegree, author of ‘The Invention of News - How the World Came to Know About Itself’

David Grimm, author of ‘Citizen Canine: Our Evolving Relationship with Cats and Dogs’

Anne MacLellan, author of Dorothy Stopford Price: Rebel Doctor

Jane Christmas, author of ‘And Then There Were Nuns: Adventures in a Cloistered Life’

Dr Japhy Wilson, author of ‘Jeffrey Sachs: The Strange Case of Dr. Shock and Mr. Aid’

Alex Beam, author of 'American Crucifixion: The Murder of Joseph Smith and the Fate of the Mormon Church'

Sara Eckel, author of ‘It's Not You: 27 (Wrong) Reasons You're Single’

Tilar J. Mazzeo, author of ‘The Hotel on Place Vendome: Life, Death, and Betrayal at the Hotel Ritz in Paris'

Mel Ayton, author of ‘Hunting the President; Threats, Plots and Assassination attempts – From FDR to Obama’

Alastair Bonnett, author of Off The Map: Lost Spaces, Invisible Cities, Forgotten Islands, Feral Places and What They Tell Us About the World

Mary Cronk Farrel, author of ‘Pure Grit, How American World War 2 Nurses survived battle and prison camps in the pacific’

Edward Frenkel, author of 'Love and Math: The Heart of Hidden Reality'