People ask: “Where do you get your ideas for science fiction stories?” Harlan Ellison’s famous answer was ‘Sheboygan.’ I suspect, if Harlan had been caught in a serious mood, he’d have said something about science books. Some titles that have caught my attention: Origins: How Earth’s History Shaped Human History by astrobiologist Lewis Dartwell. Changing conditions, land eruptions, climate changes, shifting circumstances of numerous types have led to the development of tools,