Why? So that your working memory isn't exhausted by syntax. You can focus on story instead of grammar . The result is a strange, addictive high—the rush of finishing a "real book" in a foreign language. Purists hate Penguin Readers. They argue that reading a simplified 1984 is like listening to Mozart played on a kazoo. You get the tune, but you lose the soul.
But the counter-argument is winning. Research from the Extensive Reading Foundation shows that students who read graded readers for just 15 minutes a day acquire vocabulary 30% faster than those who memorize flash cards. Why? Because the same words repeat. In a Level 1 book, the word "stare" might appear 12 times in 20 pages. By page 15, your brain has given up resisting. Stare is now yours. Here is the secret the bookstores won't tell you: You should read two levels down from your actual ability. penguin readers levels
Psycholinguists call this the "i+1" principle (input that is just one step above your current level). Penguin Readers has monetized this sweet spot. The result is a strange, addictive high—the rush