diff --git a/shared_ptr.htm b/shared_ptr.htm
index 5b7f47b..26fd78e 100644
--- a/shared_ptr.htm
+++ b/shared_ptr.htm
@@ -621,7 +621,7 @@ p3.reset(new int(2)); // undefined, multiple writes
 			day a highly configurable smart pointer may be invented that is also very easy 
 			to use and very hard to misuse. Until then, <B>shared_ptr</B> is the smart 
 			pointer of choice for a wide range of applications. (Those interested in policy 
-			based smart pointers should read <A href="http://cseng.aw.com/book/0,,0201704315,00.html">
+			based smart pointers should read <A href="http://www.awprofessional.com/bookstore/product.asp?isbn=0201704315&rl=1">
 				Modern C++ Design</A> by Andrei Alexandrescu.)<BR>
 		</P>
 		<P><B>Q.</B> I am not convinced. Default parameters can be used where appropriate