Tammet, Daniel, 1979- Born on a blue day : inside the extraordinary mind of an autistic savant : a memoir / Daniel Tammet. - 1st Free Press ed. - New York : Free Press, c2007. - ix, 226 p. : illus. ; 22 cm. Originally published : London : Hodder & Stoughton, 2006. ISBN: 9781416535072 1416535071 $24.00 LCCN: 2006041331 Subjects--Personal Names: Tammet, Daniel, 1979- --Mental health. Subjects--Topical Terms: Autism--Patients--Biography.--EnglandSavants (Savant syndrome)--Biography.--England