Did Roald Dahl have 18 books?
Roald Dahl has an extensive bibliography ; you can look to the related link below for a bibliography of his books .
Roald Dahl died in 1990 and lived in several places before hand. He ended up living in Great Missenden in Buckinghamshire. This is where the Roald Dahl museum is. Visit it for a great Roald Dahl experience. He has written many chapter books and picture books like The BFG, Charlie And The Chocolate Factory, Charlie and the Glass Elevator, The Hungry Crocodile,etc.