Heidi

Read this book in English to learn English

Reading books in English is one of the most effective ways to expand your vocabulary, internalize grammar patterns, and develop intuition for natural English usage. Heidi is recommended for beginner (a1–a2) learners — a classic read.

In the Clue app, every word becomes a tap-to-translate gateway. No more flipping between a book and a dictionary, no more losing your flow. Just read.