Ideas for interesting plot points tend to come at strange, unexpected times throughout the day (and at night).
Unfortunately, if you don't write them down - immediately - you WILL forget Even if you should later decide not to use them, re-reading your notes will trigger even more and better ideas.
This book was designed to be carried around with you, so you can instantly make a note of any interesting plot ideas that pop into your head
There's plenty of room to record your plot ideas (120 pages) and to even start writing your book
If you write down any plot ideas, then by tweaking, mixing and matching, you will never be at a loss for an interesting plot