Modified 6x9 script to generate entire book.

.gitignore

@@ -9,5 +9,6 @@ book.ipynb
 *.tex
 *.toc
 book.pdf
+book6x9.pdf
 Kalman_and_Bayesian_Filters_in_Python.pdf
 book_files

pdf/6x9build_book.bat

@@ -1,5 +1,5 @@
-copy /Y  ..\14-Adaptive-Filtering.ipynb book.ipynb
-REM python merge_book.py
+REM copy /Y  ..\14-Adaptive-Filtering.ipynb book.ipynb
+python merge_book.py
 
 ipython nbconvert --to latex --template book6x9 book.ipynb
 ipython to_pdf.py