Dungeons & Dragons Core Rulebook Gift Set - Rules of Play says:
Need a refresh on your well-worn copies? Have a friend who is itching to get into the game? Want a super-handy case to hold all that D&D goodness? The Dungeons & Dragons Core Rules Gift Set includes a copy of all three core rulebooks and a Dungeon Master’s Screen, everything you need to create and play adventures of your own in the world’s greatest roleplaying game.