where to begin with the following authors?

[spa ced]

what books would be the best introduction/and or best book(s) by the following authors? also, which books by these authors should i avoid?

vonnegut -

j.d. salinger -

bret easton ellis -

david foster wallace -

margaret atwood -

thomas pynchon -

david sedaris -

j.g. ballard -

any help is appreciated. thanks.