Absolute Anime

HELP!!! Okay my boyfriend really wants to start readin the 3x3 eyes manga series but I don't know which is the first manga could someone list tham from vol.1 and down. I've looked everywhere! I heard Dark horse didn't put vol. # until like vol.6. Please I would really apreciate it.

PLEASE HHHHEEEELLLLPPPPP!!!!!!!!

Can't list the volumes, but I can give you a site with the manga on it: http://www.sazanquest.cjb.net/