The Pilgrim's Progress

The Pilgrim's Progress from This World to That Which Is to Come; Delivered under the Similitude of a Dream, often known simply as the The Pilgrim's Progress, was a Christian allegorical novel by John Bunyan that was first published in 1678.

Albus Dumbledore kept a multi-volume edition of The Pilgrim's Progress on his desk in the Headmaster's office at Hogwarts Castle.

Appearances

 * Harry Potter films
 * The Making of Harry Potter