Here you will find some useful free utilities to help you with your pattern making and folding.
1: Pattern Tester.xlsx
This will allow you to visualize your pattern and make any changes to the measurements before you actually fold your book.
2: Pattern Center Utility.xlsx
This will center your pattern in your book for you.
3: Pattern Resizer.xlsx
This will allow you to alter patterns to suit the height of your book.
4: How to quickly alter a clip art for the pattern makers
5: How to make a PDF file into a CSV / excel fill