World's Thickest Book

Intel should publish all of their documentation, including

http://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-software-developer-manual-325462.html
and
http://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-optimization-manual.html

in one book.

>>26
They still have the ugly one-operand divide instruction that can't take immediates, the parity bit which is hardly ever used because it's untestable by portable languages, the stack-based x87 that makes things harder for compilers, a Z80-compatible flags register, no absolute CALL, booting in real mode (which has less address space than the cache of some new CPUs), and all of those other warts in the instruction set.