Assembly Language Resource to Start off..

1. https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/index.html

2.https://cs.lmu.edu/~ray/notes/x86assembly/

3.https://en.wikibooks.org/wiki/X86_Assembly

4.https://www.amazon.com/Low-Level-Programming-Assembly-Execution-Architecture/dp/1484224027/ref=as_li_ss_tl?ie=UTF8&qid=1492536396&sr=8-12&keywords=programming+Assembly&linkCode=sl1&tag=mobilea001988-20&linkId=f30a5d577d21642e4bf05340fd33f97d

5.https://www.amazon.com/Introduction-Bit-Assembly-Programming-Linux/dp/1484921909/ref=as_li_ss_tl?ie=UTF8&qid=1492536396&sr=8-1&keywords=programming+Assembly&linkCode=sl1&tag=mobilea001988-20&linkId=b3166b9d76c92568e728489bb0954478

6.https://www.amazon.com/Raspberry-Assembly-Language-RASPBIAN-Beginners/dp/1492135283/ref=as_li_ss_tl?ie=UTF8&qid=1492536396&sr=8-13&keywords=programming+Assembly&linkCode=sl1&tag=mobilea001988-20&linkId=497f4869b731586a7033bec4845bfcc4

7. http://www.cs.virginia.edu/~evans/cs216/guides/x86.html

8. http://www.openrce.org/reference_library/bookstore