List of programming E-book Free

a List of programming E-book(Free Of Cost):

For C Language: http://codehubz.org/clanguageebook

For C++: http://codehubz.org/cebook

For Java: http://codehubz.org/javaebook

For Web Development (Html,Css): http://codehubz.org/htmlebook

For Linux: http://codehubz.org/linuxebook

For Python: http://codehubz.org/pythonebook