Khloé, Kourtney & Kim Konduct 'Kardashian Konfidential' Business

It was quite a kollection of Kardashians yesterday in NYC, as Khloé, Kourtney and Kim Kardashian gathered together to sign copies of their new joint autobiography Kardashian Konfidential at Barnes & Noble on Fifth Avenue in NYC on Nov. 30.

OK! GALLERY: THE KARDASHIANS GET PSYCHED OVER SKECHERS

The girls have quite an extensive brand going on with their name, but decided to take it down a notch this week by ending a deal with MasterCard to offer a credit card to kids with their image on it, after the company running it drew criticism for unfair fees.

OK! NEWS: THE KARDASHIANS DITCH DEBIT CARD DEAL

We're sure the ladies will bounce back soon, however — they're still pulling in wads of cash from their boutique, Dash NYC, as well as their other stores and endorsements.