We see the Palantíri a few times throughout The Lord of the Rings, but how many are there, and what are their whereabouts?

Radagast is not a large part of The Lord of the Rings, so it makes sense that Tolkien wouldn't explore the character's fate ...

As for Isengard, we read that the land “green and fair” is turned into one of “pits and forges,” and it is clear that Tolkien views this as a disaster that reflects Saruman’s moral ...