You can come home again, but it is kinda awkward

The scruffy old tom, Villam the Cat, starts hanging around at the library, and Martha the Pine Marten becomes very suspicious. Villam has in fact, caused trouble before (as seen in Into the Bookwoods Collection 1), but her colleagues still find Martha a bit paranoid. But then there's an exhibition of historical artefacts in the Library Grove... that might not be safe from thieves...