Australia: Environment & Conservation: A range including 'The Astonished Earth' by Kempe [1958], 'Australia: World of Difference - The Australian Transition' by Bechervaise [signed, 1967], 'Off-Road Vehicles Impact on the Australian Environment' [1977], 'Let the Earth Live' by McLaren [1982, signed], 'Ancient Australian Landscapes' by Twidale [signed, 2007], plus several other books, reports and pamphlets.