First published in 1995. Routledge is an imprint of Taylor & Francis, an informa company.

'John Toland's Letters to Serena' is one of the most important texts of the early Enlightenment. Synthesizing an array of European thought, the Letters was not only significant for Toland's own 'freethinking' cause, but also provided crucial foundations for the 'vitalist' materialism characterising later Enlightenment thought.

On 18 September 1697, Christainity not Mysterious was burned in Dublin by order of Parliament. This edition of the text is now available 300 years later and also includes John Toland's defences of the work and eight critical essays.