Great Books that are basically scifi for the most part

ok so in order to do this well i really need my bookshelf but i'm gonna jot down what i can think of and then i'll update it over break

by orson scott card (favorite author)

the ender and ender related books
enders game
speaker for the dead
xenocide
children of the mind
enders shadow
shadow of the hegemon (so cool- risk in book form)
shadow puppets
shadow of the giant
first meetings in enders universe

other incredible books by him
pastwatch (sooooo awesome...could maybe go with dystopias below)
the worthing chronicle

the other scifi collection he wrote (i remember it being kinda a cross between star wars and dune)
the memory of earth
the call of earth
the ships of earth
earthfall 
earthborn

cant remember/not quite as good
wyrms
invasive procedures
lovelock
maps in a mirror (short story collection)

by frank herbert

all the dune books
the white plague(one of those virus kills everyone books-i like this one)
the lazarus effect(cant remember too well, kindof about atlantis i think i liked it but was maybe too young to have read it)

robert heinlein

stranger in a strange land

vonnegut

harrison bergeron(short story...dystopia)
slughterhouse V (i wish i remembered this better..i think its scifi esque)
slapstick (haven't read)

other dystopias

handmaids tale-atwood
oryx and crake-atwood (havent read)
anthem-ayn rand
brave new world-huxley...brave new world revisted is cool too, its him taking about what did and didnt happen like he predicted
1984-orwell (also animal farm..not necc scifi)
we-zamyatin (sp?)
clockwork orange-burgess
fahrenheit 451-bradbury
v for vendetta-allan moore 
watchmen-allan moore
blindness - jose saramago (sequel, seeing, about politics)
children of men - pd james

asimov

foundation
foundation and empire
secodn foundation
foundations edge
foundation and earth
prelude to foundation
forward the foundation
i robot
caves of steel
the naked sun
the robots of dawn
robots and empire

kafka(not exactly sci fi and should be read in german if possible)

a hunger artist
the metamorphosis 

ray bradbury

martian chronicles
illustrated man
something wicked this way comes (not scifi)
the day it rained forever
r is for rocket
s is for space (haven't read)
i sing the body electric

hg wells

time machine
war of the worlds (listen to the orson wells broadcast)

phillip k dick

minority report
man in the high castle
do androids dream of electric sheep (haven't read have seen blade runner which is the movie)
a scanner darkly (sweet rotoscoping in the movie but the movie isnt good unless you read the book, you need the extra context)

jules verne 

20,000 leagues under the sea
journey to the center of the earth (havent read saw the wishbone)

cs lewis

out of the silent planet
perelandra
that hideous strength

jonathan swift (not exactly scifi)

gullivers travels
a modest proposal (short story-satire)

stephen king(more special powers than sci fi..also just some horror novels)

firestarter 
the green mile
hearts in atlantis
it
the shining
the stand(GREAT as far as virus kills everyone end of world type books)

tim lahaye and jerry b jenkins

left behind series (ok soooo these are actually christian fiction about the rapture, when jesus comes and picks up all the good people, and the maybe good maybe not people are left behind and satan comes and they have to pick sides and etc. but anyways i read several of them and they're really cool end of the world sci fi books if you look at it that way)

robert louis stephenson

dr jeckyll and mr hyde (havent read but its a classic)

mary shelley

frankenstein (havent read, classic)
the last man (havent read, another end of the world one, seems promising)

oscar wilde

the picture of dorian gray (not exactly sci fi, one of the best books ever)

margaret peterson haddix(young adult books but theyre pretty good)

shadow children series(about a forbidden third child in a world with population laws, the first one is among the hidden)
running out of time(very very similar to m night shamylans the village)
turnabout(backwards aging or something..growing younger and losing memories and having to find a way to stop it)

douglas adams

the hitchhikers guide to the galaxy
the restaurant at the end of the universe
life the universe and everything
so long and thanks for all the fish
mostly harmless
young zaphod plays it safe
if anyone want to make additions feel free

ursula leguin

the left hand of darkness (havent read)

lois lowry

the giver
gathering blue
messenger (what! did not know this existed-havent read yet)

l'engle

wrinkle in time
wind in the door
many waters
a swiftly tilting planet

arthur c clarke

2001 a space odyssey

my mom would like to add:

olaf stapledon

last and first men(haven't read, seems pretty awesome)
last men in london(haven't read, supposedly not as good as the first)