theres gotta be a site with a overall view of maps or something,
with bulletpoints on where weapons are, and what time they spawn,
because theres alot of maps i havnt played yet
and maps ive played alot i still havnt found all the weapons.
guide book i think 
A guide book or pictures on internet, or I think ATLAS.
Yea theres one, but its only for ipod/iphone
waypoint/atlas is for android phone too