Page color is soft on the eyes and the columns are just the right size for keeping a check register and I use my second book for recording physical training and weight loss.
Used for years. Easy to use read and analyze. Cost keeps going up not so good. Work on lowering costs and not surveying about e v e r y t h i n g we purchase. :) You have a good reputation and decent employees. Work to keep the quality up cost down and you will be swamped with customers.
I have been using Staples' Columnar Books for some time now to track my monthly budget items. Books work great and I will continue to reorder when needed