Just google them. I myself haven't gone through them but I suppose these links on amazon to be of the same books because they have same ISBN numbers. - Amazon [Absolute Beginner's Guide to C, Second Edition Greg Perry ][1] [Programming in C, Third Edition Stephen Kochan ][2] [How Computers Work, Ninth Edition Ron White ][3] [Hacker's Delight Henry S. Warren Jr.][4] - Google books. [Absolute Beginner's Guide to C, Second Edition Greg Perry ][5] [Programming in C, Third Edition Stephen Kochan ][6] [How Computers Work, Ninth Edition Ron White ][7] [Hacker's Delight Henry S. Warren Jr.][8] - PDF format <sup>1</sup> [C Programming Absolute Beginner - Perry, Greg - 3rd Edition][9] [Programming in C - 3rd Edition, Stephen G Kochan][10] [How Computers Work, Fourth Edition Ron White][11] ---------- <sup>1</sup> Books in this section DON'T match exactly with recommended ones [1]: http://www.amazon.com/Absolute-Beginners-Guide-2nd-Edition/dp/0672305100 [2]: http://www.amazon.com/Programming-3rd-Edition-Stephen-Kochan/dp/0672326663 [3]: http://www.amazon.com/How-Computers-Work-9th-Edition/dp/0789736136 [4]: http://www.amazon.com/Hackers-Delight-Edition-Henry-Warren/dp/0321842685/ref=sr_ob_1?s=books&ie=UTF8&qid=1405179950&sr=1-1 [5]: http://books.google.co.in/books?id=dFSrq0PJGCUC&q=isbn:0672305100&dq=isbn:0672305100&hl=en&sa=X&ei=6VrBU4u_J8eB8gWY4oCYBA&ved=0CBwQ6AEwAA [6]: http://books.google.co.in/books?id=4T9GAQAAIAAJ&q=isbn:0672326663&dq=isbn:0672326663&hl=en&sa=X&ei=lFrBU8iNNcn48QWq2IGoAg&ved=0CBwQ6AEwAA [7]: http://books.google.co.in/books?id=Dns_AQAAIAAJ&q=isbn:0789736136&dq=isbn:0789736136&hl=en&sa=X&ei=mFnBU5yMC4iB8gXLg4HgBQ&ved=0CBwQ6AEwAA [8]: http://books.google.co.in/books?id=iBNKMspIlqEC&printsec=frontcover&dq=isbn:9780201914658&hl=en&sa=X&ei=uVjBU6jYHs2QuATqzoCoDw&redir_esc=y#v=onepage&q&f=false [9]: https://www.dropbox.com/s/t2qoqzibdrbfyy8/C%20Programming%20Absolute%20Beginner%20-%20Perry%2C%20Greg.pdf?dl=0 [10]: https://www.dropbox.com/s/lhy4dcfsyxrqbsb/%5BStephen_G_Kochan%5D_Programming_in_C%28BookZZ.org%29.pdf?dl=0 [11]: https://www.dropbox.com/s/w7o85hd9491o25a/%5BRon_White%5D_How_computers_work%28BookZZ.org%29.pdf?dl=0