Super important, help me please?

Question:

Super important, help me please?

i need to buy a book, and i found it at alibris.com
is this web trustful to buy. it ask for credit card # but it seems that they want the whole # is this normal at this web, is it trustful

Best Answer - Chosen by Asker:

ive done it before but if your not comfortable see if you can pay with a paypal account ive never heard anything bad about them