Apologies for Running Out of Free Books!

Readers - we've heard from many of you that our publisher was offering free books through several web sites, and then said to many of you, "sorry, we've run out." I don't know the particulars too well, but apparently they expected a few hundred people to ask for books, and instead got a few thousand requests. They were just overwhelmed. Sorry for the mixup and I hope no hard feelings. - Best, Po