Or "How we found the bishop's bird-stump at last." A hilarious novel by Connie Willis. The plot revolves around an attempt to use Oxford's time-travel facilities to locate a (dreadful) family heirloom that was lost by the rich patron of a church. The novel is set in the same universe as "Domesday Book," but it's not horribly depressing.

The title comes from Jerome K. Jerome's novel "Three men in a boat, to say nothing of the dog."