to fish; to look for; to search for; to go on a spree (spending, reading, etc.); to binge
to read a large number (of); to read widely; to read everything that one can lay one's hands on (usu. of specific type, genre)
to buy all (of something) one can get one's hands on; to buy up; to scoop up
searching; rummaging; (arch.) fishing; (arch.) collecting shells
picking through garbage; dumpster diving; scavenging rubbish