There is a distinct drop in quality as time passes, anything written in the 50s is golden (Untouched by Human Hands, Store of Infinity) , in the 60s is mixed b

There is a distinct drop in quality as time passes, anything written in the 50s is golden (Untouched by Human Hands, Store of Infinity) , in the 60s is mixed but still some good stuff (Can you Feel Anything When I do This?). After that is pretty hit or miss (Options), including a collaboration with Zelazny that I found quite disappointing.