For infrastructure technology, C will be hard to displace.
Twenty percent of all input forms filled out by people contain bad data.
Any editing, software work, and mail is done in this exported Plan 9
C is peculiar in a lot of ways, but it, like many other successful things, has a certain unity of approach that stems from development in a small group.
For books, I don't read much fiction, but like travel essays and good pop-science.
UNIX is simple and coherent, but it takes a genius (or at any rate, a programmer) to understand and appreciate its simplicity.