Rosie, Ben, and Grandpa go to the library with Clunk. They read nice books. But what does Clunk do? Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader.