heeey i can tell about the release date of BGI 52 =)))
sry I'm private mailing you but I'm so happy right now wanting to share this information ^^
it was released two days ago on 11th august in a japanese magazines issue 9 ( it's called Betsucomi ) So just have a look on this link http://www.betsucomi.shogakukan.co.jp/kongetu/ and reasure yourself
if you're translating the headine of this BGI article online, you'll get the word 'continue'
so i'm hoping the raw's coming soon