Underappreciated Stories

[Jaleho]

Are there any books/stories that you consider to be classics (at least from an intp pov) that you just can't find anyone out there talking about? The kind of book you do a google search for and get back a tiny scattering of hits?

I'll start:

"Microcosmic God" by Theodore Sturgeon
"The Planiverse" by A. K. Dewdney
"Creative Transformation" by John David Garcia
"After Man: A Zoology of the Future" by Dougal Dixon

[Inappropriate Behavior]

The Chronicles of Thomas Covenant (best fantasy ever) is under-appreciated in my view. It doesn't exactly meet your standard of being hard to find out about on the web but it is great and deserves to be called a classic. It's also very appealing to the INTP mindset.

[ElderToadstool]

Anything written by Clark Ashton Smith seems to be criminally neglected. He was never a great innovator like his contemporaries H.P. Lovecraft or Robert E. Howard, but his work, which deftly mixes elements of science fiction, fantasy, and horror, contains such high levels of strangeness that it anyone interested in speculative fiction should be loath to miss them.