Far from being outlandish, a belief in the paranormal appears to be a trait that many human beings share. Christopher French, Head of the Anomalistic Psychology Research Unit in the Psychology Department at Goldsmiths and author of The Science of Weird Shit, recommends five books that explore the paranormal—from a skeptical point of view.

The likelihood that intelligent life would come to exist on Earth is so improbable, it's time to re-explore the idea of cosmic purpose, argues Philip Goff, a professor of philosophy at the University of Durham and the author of Why? The Purpose of the Universe. He recommends five books that cast doubt on our post-Darwinian worldview and help us consider the latest findings of science and philosophy more fully.

To the modern reader, Neoplatonist thinkers can seem quite alien, but engaging with them helps us to understand ourselves and modern philosophy better, says Ursula Coope, Professor of Ancient Philosophy at the University of Oxford. She recommends five books to introduce readers to Neoplatonist philosophy, starting with Plotinus in the 3rd century.

Humanist ideas are not a recent phenomenon, but have been around for millennia, says Andrew Copson, chief executive of Humanists UK. He explains why it's worth making a positive choice to be a humanist and recommends a great humanist reading list.

Which are the best books on atheism? The British philosopher Julian Baggini, author of Atheism: A Very Short Introduction, chooses his top five.

Human beings have a tendency to get sucked into dodgy belief systems, often never to escape, argues the philosopher. From UFOs to homeopathic medicine, Stephen Law chooses the best books on 'pseudoscience.'

The philosopher and former executive editor of The Economist, Anthony Gottlieb, discusses religion and suggests that belief in God only truly declines in a society when economic development brings existential security.

The main reason for the survival of religion is not a desire to live a better life, but our fear of death, says atheist author and independent scholar Susan Jacoby. Here she recommends five books she considers essential to "understanding the merits of atheism."

Former magician and internationally renowned debunker of paranormal claims James Randi sharpens his knives against proponents of flim-flam, pseudoscience and the so-called paranormal – and tells us where the creator of Sherlock Holmes went badly wrong. He selects the best books on scepticism for Five Books.