Fish are predictable. Their behavior and patterns are initiated by a few different influences. Recording a few data points each time you fish will create a valuable data log that can be used for years. 100 pages of entries per book. Each entry can be logged in a couple minutes. Time, date, temperature, GPS, ect...

A must have for any tackle box!

Convenient 5x7 size fits in your tackle box, glove box, or back pocket.