List of the best Terry Pratchett books, ranked by voracious readers in the Ranker community. With commercial success and critical acclaim, there's no doubt that Terry Pratchett is one of the most popular authors of the last 100 years. In the 90's he was the best selling author in the United Kingdom, and is currently the second most read author in the UK as well. Prachett is best known for his Discworld series, of which there are around 40 books. If you're a huge fan of his work, then vote on your favorite novels below and make your opinion count. This poll is also a great resource for new fans of Terry Pratchett who want to know which novels they should start reading first. With memorable characters and excellent storytelling, there's no reason why you shouldn't check out his work if you're a big reader.Books include Good Omens, Small Gods and many others. What are Terry Pratchett's best novels? Vote on this list and help us definitively answer that question.