JXL-2-2 Sansou 17 squares (13 17) JXL-2-2 Showa Note 4901772108016 (10 sets)

B5 size (semi-B5) 179 x 252mm B5 size study book. The ``Space Edition'' includes reading materials on space-related matters, supervised and assisted by JAXA. space series. ◆Standard: <17 squares> 12mm square 13 x 17 ◆Number of sheets: 30 sheets ◆Bookbinding: Thread binding cross-wrap