Quentin Blake wrote The Twits. The Twits is written by Roald Dahl
[Human]: I love Quentin Blake's books. Can you suggest another children's author I might enjoy? [Assistant]: If you like this illustrator, you'll enjoy Roald Dahl who wrote such books as James and the Giant Peach, Mathilda and The Twits. [Human]: I love James and the Giant Peach! Can you suggest more books like that one? [Assistant]: Books that would remind you of that one include Abel's Island, Runaway Ralph, and Mrs. Piggle Wiggle. [Human]: Awesome. Do these books include illustrated pictures? 
No, these books do not include any pictures.