Raising Taxes is the working title of a possible third Moist von Lipwig novel in Terry Pratchett

Terry Pratchett

Sir Terence David John "Terry" Pratchett, OBE is an English novelist, known for his frequently comical work in the fantasy genre. He is best known for his popular and long-running Discworld series of comic fantasy novels...

's Discworld

Discworld

Discworld is a comic fantasy book series by English author Sir Terry Pratchett, set on the Discworld, a flat world balanced on the backs of four elephants which, in turn, stand on the back of a giant turtle, Great A'Tuin. The books frequently parody, or at least take inspiration from, J. R. R....

 series.

Raising Taxes was first alluded to during the promotional tour of Making Money

Making Money

Making Money is a Terry Pratchett novel in the Discworld series, first published in the UK on 20 September 2007. It is the second novel featuring Moist von Lipwig, and involves the Ankh-Morpork mint and specifically the introduction of paper money to the city...

.

Near the end of Making Money, Lord Vetinari and Drumknott discuss the need to pose new challenges to Moist von Lipwig after the Royal Bank has been completely reformed. They consider the feasibility of Moist von Lipwig becoming Taxmaster, a position currently held by seventy-four-year-old Mr. Creaser, who adheres to inflexible and outdated methods. Mr. Creaser will need to be compelled to retire, while Moist may not be so eager to accept a job that does not create friends.