Log books and data collection are a crucial part of keeping your diabetes under control. When you write down the number it is easier to see your blood sugar patterns and know when you are on target or, conversely, why you are not on target. For most people, trying to remember multiple blood sugar numbers and what was happening at the same time as the blood sugar check is difficult and often inaccurate.In addition to the blood sugar result, it is important to record your insulin dose, food and carbohydrate intake, and activity level.With this 120 page log book, you can record your blood sugar levels according to the testing pattern that you and yourdiabetes doctor decide will work for you.