> Why xt find only one pb.
Because you are asking for the following in your for-each:

"get all of the "pb" nodes which are at some level beneath a child of the
current context"

What you want is:

<xsl:for-each select=".//pb">
	Find pb
</xsl:for-each>

Ben


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list