How many books did Roald Dahl write?

Roald Dahl wrote novels for both children and adults. He also wrote poetry and works of non-fiction.

Below is a Roald Dahl bibliography, divided into different categories.

Children’s Fiction by Roald Dahl

1. The Gremlins
2. James and the Giant Peach
3. Charlie and the Chocolate Factory
4. The Magic Finger
5. Fantastic Mr Fox
6. Charlie and the Great Glass Elevator
7. Danny, the Champion of the World
8. The Enormous Crocodile
9. The Twits
10. George’s Marvellous Medicine
11. The BFG
12. The Witches
13. The Giraffe and the Pelly and Me
14. Matilda
15. Esio Trot
16. The Vicar of Nibbleswicke
17. The Minpins (published in 1991, after Roald Dahl’s death)

Children’s Poetry by Roald Dahl

1. Revolting Rhymes
2. Dirty Beasts
3. Rhyme Stew

Novels for Adults by Roald Dahl

1. Sometime Never: A Fable for Supermen
2. My Uncle Oswald

Short Stories by Roald Dahl

1. Over to You: Ten Stories of Flyers and Flying
2. Someone Like You
3. Lamb to the Slaughter
4. Kiss Kiss
5. Twenty-Nine Kisses from Roald Dahl
6. Switch Bitch
7. The Wonderful Story of Henry Sugar and Six More
8. The Best of Roald Dahl
9. Tales of the Unexpected
10. More Tales of the Unexpected
11. Roald Dahl’s Book of Ghost Stories
12. The Roald Dahl Omnibus
13. Two Fables
14. Ah, Sweet Mystery of Life: The Country Stories of Roald Dahl
15. The Collected Short Stories of Roald Dahl
16. The Roald Dahl Treasury
17. The Great Automatic Grammatizator
18. Skin and Other Stories
19. Roald Dahl Collected Stories

Non-Fiction by Roald Dahl

1. The Mildenhall Treasure
2. Boy: Tales of Childhood
3. Going Solo
4. Measles, a Dangerous Illness
5. Memories with Food at Gipsy House
6. Roald Dahl’s Guide to Railway Safety
7. My Year

Roald Dahl also wrote plays and film-scripts.

So, to answer the original question, Roald Dahl wrote 17 children’s novels and 20 books for children in total. In total he has published 48 books (not including published screenplays and plays). This total does include treasuries and collected works and books published after his death. The total will continue to grow as his work is published and repackaged in different forms in the years to come.