how many volumes are there? i only seen 4....i bought vol 3 today

which is ur fav volume?.....i bought vol 3 because i was more familar with the movies on that one...esp my fav "abbot & costello meets frankenstein".....my question is....what about the abbot & costello show? like r they sketches? or movies? or a talk show? ....im looking forward to collecting these volumes....why wont they put them up on this site to buy???? they only show the abbot & costello show vol 1-13