Recently, three critiques of The Spirit Level have claimed that the evidence does not support the book's conclusion that more equal societies do better. The Spirit Level's authors welcome an open debate of their findings, but point out that none of these critiques are peer-reviewed and that the methodology in all three is seriously flawed.

By Richard Wilkinson and Kate Pickett

Three short films about equality from babycakes romero

Available as a free download.

Short film from Babycakes Romero

By Kate E Pickett and Danny Dorling

Listen to Kate Pickett and Richard Wilkinson answer questions about The Spirit Level analysis at 'RSA debates The Spirit Level' on 22 July 2010.

Supporter Jon Levene aka babycakes romero has produced this brilliant 3 minute animation to promote The Spirit Level, which is out now in paperback

Richard Wilkinson and Kate Pickett write a featured article for Kosmos, a Journal that publishes the voices of leading edge visionary thinkers and actors in building the emerging global culture.

A one-hour lecture delivered by Richard Wilkinson and Kate Pickett in York in February 2009 and produced by Media Education.

Prof Danny Dorling, University of Sheffield

Reflections on the struggle for inclusive communities
By Henry Tam

By Daniel Dorling

The impact of income inequalities on sustainable development in London is a new report written by Richard Wilkinson and Kate Pickett, published by the London Sustainable Development Commission.

Correction to figure 24

Download the international data used in The Spirit Level.

The Guardian double page spread of evidence from The Spirit Level.

A Media and Communications Guide for supporters and local groups affiliated to The Equality Trust. Written by Will Horwitz.

Download and print them from here.

A chart from Church Action on Poverty which illustrates the gap between rich and poor.

Richard Wilkinson and Kate Pickett summarise the key findings of The Spirit Level.