Only God-tier books ITT

Only the best educational manuals in their respective languages/fields. No O'reilly shit.

C - K&R
Sepples - Soustroup book
Haskell - Learn you a Haskell for Greater Good
Lisp general - Land of Lisp
Pyhton - Think Python

/prog/ general
SICP
Hacker's Delight
Pragmatic Programmer

Purple dragon book
98% people recommending this book haven't even read the thing so they don't know how mediocre it is compared to other books on language implementing. I hugely respect Ullman and Aho but this is no doubt their worst (and  most popular) book.