To Purge This Land with Blood: A Biography of John Brown

The Most Interesting American: Personal Encounters, Quotations, and First-Hand Impressions of Theodore Roosevelt

Decision at Sea: Five Naval Battles that Shaped American History

No Walk in the Park: Seeking Thrills, Eco-Wisdom, and Legacies in the Grand Canyon

Under a Wild Sky: John James Audubon and the Making of The Birds of America

Losing the Nobel Prize: A Story of Cosmology, Ambition, and the Perils of Science's Highest Honor

Wolf Island: Discovering the Secrets of a Mythic Animal

Awesome Arizona: 200 Amazing Facts about the Grand Canyon State

Plastic Capitalism: Banks, Credit Cards, and the End of Financial Control

Never Say No To A Rock Star: In the Studio with Dylan, Sinatra, Jagger and More...

A History of Pi

Forever on the Mountain: The Truth Behind One of Mountaineering's Most Controversial and Mysterious Disasters

A Gift Of Sanctuary: (The Owen Archer Mysteries: book VI): an engrossing Medieval mystery that will sweep you back in time and have you gripped...

The Counterrevolution: How Our Government Went to War Against Its Own Citizens

The Nun's Tale: (The Owen Archer Mysteries: book III): an evocative and enthralling historical mystery set in Medieval York that will have you gripped from page one...

The Good Shepherd: A Thousand-Year Journey from Psalm 23 to the New Testament

The Master Plan: ISIS, al-Qaeda, and the Jihadi Strategy for Final Victory

Game On: How Sports Media Grew Up, Sold Out, and Got Personal with Billions of Fans

Tombley’s Walk

Approaching the Speed of Light: A Novel