Part Four is the fourth issue of the Fables spin-off miniseries Cinderella: Fables Are Forever.
Publisher's summary
The hunt for Cinderella's longtime nemesis leads her from the heat of equatorial Africa to the chilly ski slopes of Switzerland. Cinderella and her companion, the Russian Fable Ivan Durak, have managed to stay one step ahead of the deadly assassin so far – but is their luck about to run out?