"Professional Know-How Analyzing 4 Million Followers: How to Become a "Favorite" on Instagram" by Yuki Ishikawa Price: 1580 yen (+ tax) 1738 yen (tax included) Purchased on Amazon in 2025 Read about halfway Condition: I think it's in good condition. I stored it without using it much. *Please purchase only if you understand the following items: ・There are no writings. ・There may be inconspicuous minor scratches or folds that occurred during storage. ・I used the front cover as a bookmark, so the cover is slightly puffed up. ・Please refrain from purchasing if you are concerned about minor details. Packaging: Waterproofing and simple packaging, sent via anonymous delivery. Shipping cost: Seller pays"