Index: src/docbkx/book.xml
===================================================================
--- src/docbkx/book.xml (revision 1374399)
+++ src/docbkx/book.xml (working copy)
@@ -3540,6 +3540,8 @@
HBase Wiki has a page with a number of presentations.
+ HBase RefCard from DZone.
+ HBase BooksHBase: The Definitive Guide by Lars George.