2005 "The Tunguska Fireball: Solving One of the Great Mysteries of the 20th Century"
2005 "The Little Book of Scientific Principles, Theories & Things", publié en français sous le titire "Le petit livre des grandes idées scientifiques"
2007 "Why Aren’t They Here?: The Question of Life on Other Worlds"
2007 "The Cause of Mosquitoes Sorrow: Beginnings, Blunders and Breakthroughs in Science"
2008 "Beginnings, Blunders and Breakthroughs in Science"
2008 "The Little Book of Maths Theorems, Theories & Things"
2010 "Who Killed T. Rex?: Uncover the Mystery of the Vanished Dinosaurs"
2011 "The Little Book of Unscientific Propositions, Theories & Things"
2012 "The Little Book of the Mind: How We Think and Why We Think"