Especially if your writer friend leans towards the plotter side of the spectrum, planners and workbooks are always a good bet.
Prompts are super useful when dealing with writer's block (which strikes very often).
Even if your writer friend already has a ton of notebooks, there's a good chance they'd love more. We like to hoard notebooks. It's a problem.
Gift ideas that don't quite fit into the other categories, or that fit into multiple categories!
