1939-The Sword in the Stone - T H White_Original
1939-The Sword in the Stone - T H White
1941-Slan - A E van Vogt
1943-Beyond This Horizon - Robert A Heinlein
1946-Foundation and Empire - Isaac Asimov
1951-Farmer in the Sky - Robert A Heinlein
1954-Fahrenheit 451 - Ray Bradbury