Time and location will be updated nearer to the time
Chasing Venus. The Race to Measure the Heavens (2012 published in the UK, US, Italy, Germany, the Netherlands, Sweden, Japan and Brazil.
The Founding Gardeners. The Revolutionary Generation and the Shaping of the American Nation (2011, published by Knopf and William Heinemann)
The Brother Gardeners. Botany, Empire and the Birth of an Obsession
UK paperback February 2009
Longlisted for the Samuel Johnson Prize for Non-Fiction
US edition 30 March 2009
This Other Eden Seven Great Gardens and Three Hundred Years of English History