Formerly an autistic child whose mother tongue was numbers, Daniel Tammet is the author of a rich and widely acclaimed body of work, including memoirs, essays, literary reportage, poetry and fiction. Born on a Blue Day (2006) and Every Word is a Bird We Teach to Sing (2017) were named by Booklist magazine among the editors' annual selections. Thinking in Numbers (2012) was a BBC Radio 4 Book of the Week. Tammet's books have been translated into thirty languages. He is a Fellow of the Royal Society of Arts.