diff --git a/study/debug/tools/systemtap/README.md b/study/debug/tools/systemtap/README.md
index 6c0d87d..ab946f1 100644
--- a/study/debug/tools/systemtap/README.md
+++ b/study/debug/tools/systemtap/README.md
@@ -12,5 +12,6 @@ http://www.ibm.com/developerworks/cn/linux/l-cn-systemtap3/
 [Systemtap语言详解](http://blog.csdn.net/linyt/article/category/645022)
 
 [Systemtap-Wiki](https://sourceware.org/systemtap/wiki)
-
-[Language Reference](https://sourceware.org/systemtap/langref/)
\ No newline at end of file
+[Systemtap-Documentation](https://sourceware.org/systemtap/documentation.html)
+[Language Reference](https://sourceware.org/systemtap/langref/)
+[IBM RedBook Systemtap](http://www.redbooks.ibm.com/abstracts/redp4469.html)
\ No newline at end of file