http://www.mediafire.com/file/8tpd9p3zcofms6p/HakingCero.pdf

http://www.mediafire.com/file/8b7vr5jtdqp14ca/1517932526_1517911282_humble_tips.pdf

http://www.mediafire.com/file/hbmypmo6eav1y4m/Hacking_con_Python_-_0xWORD.pdf