Timmy Learn to write 3:
Quarto notebook with 20 sheets. Ruling is three-lined with 10 mm line spacing for the writing line and 5 mm line spacing for the underline. As a transition between the 6/6/6 rulings of SL 1 and SL 2 and the single-line SL 6 booklets thought.
The Timmy SL 3 corresponds to the Formati booklet S 4.
