Contact Chris directly via Twitter. Letters are also very welcome, and best sent care of the publisher (address in the front matter of any book).

For media and touring enquiries, please contact Nikki Barrow at Hodder & Stoughton for the UK, Ireland, Australia, New Zealand; Sarah Reidy at Simon & Schuster for the USA; Ashley Dunn at Penguin Random House for Canada. For other countries please contact the publisher.

For rights in all markets outside North America, please contact Peter Straus at Rogers, Coleridge & White in London.

For North American rights, please contact Jennifer Joel at ICM Partners in New York.

For film, TV and stage rights, please contact Jennifer Joel at ICM Partners in New York.

For speaking engagements in the USA please contact the Simon & Schuster Speakers Bureau. Outside the USA please contact the appropriate rights agent (above).