Amazon informs me that there are only 4 hardcovers of SILVER ON THE ROAD left in their warehouses. They claim more are coming, but since the trade paperback drops in October (or so S&S's website leads me to believe), it might be best to get on it now if you were looking for a hardcover.
(it's also still $18, which is a bargain!)
and, since it's #BookQW
, here's a tease from the next book, for everyone not on Twitter...