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 Pull requests are welcome.
 
+## Books
+
+[2012: "A Guide to Kernel Exploitation: Attacking the Core" by Enrico Perla and Massimiliano Oldani](https://github.com/sohaibnasser/CySecBooks/blob/master/A%20Guide%20to%20Kernel%20Exploitation%20Attacking%20the%20Core.pdf)
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 ## Exploitation techniques
 
 [2017: "New Reliable Android Kernel Root Exploitation Techniques"](http://powerofcommunity.net/poc2016/x82.pdf) [slides]
@@ -41,8 +46,6 @@ Pull requests are welcome.
 
 [2012: "Attacking hardened Linux systems with kernel JIT spraying" by Keegan McAllister](https://mainisusuallyafunction.blogspot.ru/2012/11/attacking-hardened-linux-systems-with.html) [article]
 
-[2012: "A Guide to Kernel Exploitation: Attacking the Core" by Enrico Perla and Massimiliano Oldani](https://www.pdf-archive.com/2011/02/24/a-guide-to-kernel-exploitation/a-guide-to-kernel-exploitation.pdf) [book]
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 [2012: "The Linux kernel memory allocators from an exploitation perspective" by Patroklos Argyroudis](https://argp.github.io/2012/01/03/linux-kernel-heap-exploitation/) [article]
 
 [2011: "Stackjacking Your Way to grsec/PaX Bypass" by Jon Oberheide](https://jon.oberheide.org/blog/2011/04/20/stackjacking-your-way-to-grsec-pax-bypass/) [article]