ERIKA2007 Yahoo! Rankings

General Books Ranking: 1st
Female Buyers Ranking: 1st
Male Buyers Ranking: 1st
U-20 Buyers Ranking: 1st
20yr old Generation Buyers Ranking: 1st
30yr old Generation Buyers Ranking: 1st
40yr old Generation Buyers Ranking: 1st
50yr old Generation Buyers Ranking: 4th
Regions Buyers Ranking: 1st in ALL regions of Japan

http://books.yahoo.co.jp/ranking/online/all/all/weekly/index.html
http://books.yahoo.co.jp/ranking/online/sex/all/weekly/compare.html
http://books.yahoo.co.jp/ranking/online/generation/all/weekly/compare.html
http://books.yahoo.co.jp/ranking/online/area/all/weekly/compare.html
credit: hp@esn