Good choice Byronas. Itsa good game to start p,laying, you need atleast 3 or more otehr people to start playing though, and when I started there wasnt anyone to play with

it got frustrating.
But if you can find somone, its great. Everyone else has already Told you waht books to buy. PHB (players handbook) and if you choice to become the DM (Dungeon Master) then The DMG (Dungeon Master Guide) and Monster Manual.
There is alot of experinced players around here, Me, Wolfgir, Rikard Plays I think. There is alot of rules in the game, but dont let that stop you having playing the greatest RPG in the world!!
Have fun.