What does Battlefield 3 Limited Edition include

Battlefield 3 Limited Edition includes the 'Back to Karkand' (Kar-kand NOT Kark-land) expansion pack which includes 4 maps from Battlefield 2 (not Battlefield: Bad Company 2) that have been remade with DICE's new game engine Frostbite 2 and some weapons and vehicle's from Battlefield 2, as well as assignments. The new maps are Strike at Karkand, Wake Island, Gold of Oman and Sharqui Peninsula.