This is a workbook specifically designed for practicing ballpoint pen writing. - Title: Practical Ballpoint Pen Practice Workbook - Series: Writing Practice Workbook Series - ISBN: 978-4-8124-0248-2 - Price: 780 yen - Copies Sold: Over 800,000 It's a case of buying it with the intention of doing it, but never getting around to it (*_*). Thank you for looking.