We're Home...Kind Of - Minecraft Gameplay from a Newbie

And so we return to Chilly World, triumphant and glad to be back! However, we are deep underground in a cave with the usual monsters after us! Zombies, skeletons, creepers and even a slime! But we haven't lost what little skills we had in combat whilst we were away!
Please feel free to comment tips and tricks below to take me from total noob to...slightly more competent!