diff --git a/PDFFigures/UDLChap16PDF.zip b/PDFFigures/UDLChap16PDF.zip
index 3f62a2c..de9f785 100644
Binary files a/PDFFigures/UDLChap16PDF.zip and b/PDFFigures/UDLChap16PDF.zip differ
diff --git a/PDFFigures/UDLChap17PDF.zip b/PDFFigures/UDLChap17PDF.zip
index de9f785..3f62a2c 100644
Binary files a/PDFFigures/UDLChap17PDF.zip and b/PDFFigures/UDLChap17PDF.zip differ