Sir John is one of Scotland’s best-known naturalists and conservationists. His Aigas Field Centre in Invernessshire has won international acclaim for its environmental education programmes.His Song of the Rolling Earth, a wonderfully lyrical memoir, was published by Little,Brown in 2003. Nature’s Child was published in 2004 to wonderful reviews and serialization in The Times. John’s most recent book is At the Water’s Edge: A Personal Quest for Wildness (Canongate). It was Waterstone’s Scottish Book of the Month in February 2010.