Nofel ffantasi ddigri gan Terry Pratchett ydy Sourcery, a'r pumed nofel yng nghyfres y Disgfyd. Cyhoeddwyd yn 1988.
The Colour of Magic – The Light Fantastic – Equal Rites – Mort – Sourcery – Wyrd Sisters – Pyramids – Guards! Guards! – Eric – Moving Pictures – Reaper Man – Witches Abroad – Small Gods – Lords and Ladies – Men at Arms – Soul Music – Interesting Times – Maskerade – Feet of Clay – Hogfather – Jingo – The Last Continent – Carpe Jugulum – The Fifth Elephant – The Truth – Lleidr Amser – The Last Hero – The Amazing Maurice and his Educated Rodents – Night Watch – The Wee Free Men – Monstrous Regiment – A Hat Full of Sky – Going Postal – Thud! – Wintersmith – Making Money – I Shall Wear Midnight
"Troll Bridge" – "Theatre of Cruelty – "The Sea and Little Fishes" – "Death and What Comes Next" – "A Collegiate Casting-Out of Devilish Devices"
The Discworld Companion – The Science of Discworld – The Science of Discworld II: The Globe – The Science of Discworld III: Darwin's Watch – The Pratchett Portfolio – The Art of Discworld – The Unseen University Challenge – The Wyrdest Link – The Streets of Ankh-Morpork – The Discworld Mapp – A Tourist Guide to Lancre – Death's Domain – Nanny Ogg's Cookbook – The Discworld Almanak – Where's My Cow? – The Unseen University Cut Out Book – The Discworld Diaries – Once More* With Footnotes – Wit and Wisdom of Discworld
The Colour of Magic – Cripple Mr Onion - Discworld – Discworld 2 – Discworld MUD – Discworld Noir – GURPS Discworld – Stealth Chess – Thud
