Ebook edition (DRM free, available in three major formats)
Small is Powerful
Our thanks and your name in the back of the book
1st edition hardback and the ebook edition
Two invites to the launch party in London, a signed 1st edition hardback and the ebook edition
Lunch with Adam before attending a lecture at a central London venue, plus everything at Launch Party level.
A dedicated page at the front of the book thanking you for your contribution, plus everything at lunch level.