Katsushika Hokusai: The Great Wave 2026 Artisan Art Vegan Leather Diary Planner - Page to View with Notes. This diary from Flame Tree Studio features a striking design inspired by Hokusai's "The Great Wave". It is A5 in size and opens to 215mm high and 300mm wide. The diary offers a week-to-view layout, with the week starting on Monday. The binding is stitched for durability.