--- ReadonlySharedStringsTable.java	13 Nov 2009 14:46:56 -0000	1.4
    +++ ReadonlySharedStringsTable.java	14 Jan 2010 15:49:34 -0000
    @@ -61,8 +61,11 @@
     	throws IOException, SAXException, ParserConfigurationException {
     		ArrayList<PackagePart> parts = 
     			pkg.getPartsByContentType(XSSFRelation.SHARED_STRINGS.getContentType());
    -		PackagePart sstPart = parts.get(0);
    -		readFrom(sstPart.getInputStream());
    +		// Some workbooks have no shared strings table.
    +		if (parts.size() > 0) {
    +			PackagePart sstPart = parts.get(0);
    +			readFrom(sstPart.getInputStream());
    +		}
     	}