I have always been fascinated by double notebooks. I have double binders by Mulberry in black and tan. These would be great if you kept one personal and one professional planner. Or if you were working on two separate projects at work. The downside is that they are bulky and a bit confusing to flip around.
I also have this double notebook by Artisan Graham. I have used this one for travelling and it worked pretty well.
You do see others now and then, like this antique one
And Anna Hindmarch does a lovely – more simple – double notebook cover. I have unsuccessfully bid on a few of these on auction as Hindmarch is quite high priced new. I still really want one!
There is a seller on Etsy – xxxx – that does these 6-fold notebooks. SIX!
So the other day when I found these handmade, individually numbered, sewn notebooks with graph paper on one side and lined paper on the other, I had to buy one! I tend to use lined (notes) and graph paper (trackers) at the same time, but I usually have to buy two notebooks and keep them in different covers, or a traveler’s notebook. But this may be the solution. Unless the flip factor derails me. Will keep you posted!
The notebook is made by Els & Nel in The Netherlands.