Off on a Comet Book 1 Chapter 15

In which Lieutenant Procope and his companions, perplexed by the sudden change in their geographical bearings, deduce that they are upon a fragment of the Earth itself, set adrift in an unfamiliar orbit, and debate the curious geological transformations it has undergone. Their enquiries are momentarily enlivened by the discovery of a sealed message afloat in the waters, offering a cryptic yet hopeful communication from an unknown hand.