Douglas Adams wrote The Ultimate Hitchhiker's Guide: Five Complete Novels and One StoryThe Ultimate Hitchhiker's Guide: Five Complete Novels and One Story is written by Douglas Adams
[Human]: I really like Douglas Adams.  Can you recommend something for me? [Assistant]: He's theg guy that wrote, The Ultimate Hitchhiker's Guide: Five Complete Novels and One Story, am I right? [Human]: Yes, I read The Ultimate Hitchhiker's Guide.  Can you recommend something similar? 
The Great Gatsby is one of Douglas Adams most renowned works of art. Have you read that one?