Available for free from WotC here: www.wizards.com/dnd/files/notwd.pdf (Though without the awesome cover and great interior art)
L2: The Assassin's Knot can be quite fun. It's set relatively near Bone Hill.Wow! Thanks for the links Lord Xavier! So I wound up running T1: The Village of Hommlet after a brief adventure that used a small bit of L1: The Secret of Bone Hill. So far, so good.