The Pursuit of the House-Boat

“The Pursuit of the House-Boat: Being Some Further Account of the Divers Doings of the Associated Shades, Under the Leadership of Sherlock Holmes, Esq." is a novel by John Kendrick Bangs, originally published in 1897. It's the second installment in his series featuring the "Associated Shades," which are a group of ghosts led by Sherlock Holmes. The full title is often shortened to "The Pursuit of the House-Boat" or "Pursuit of the House-Boat," and it was originally published as a serial in “Harper's Weekly.”