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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
One side of the wallbook has more than 1,000 illustrations depicting evolution, the rise and fall of civilisations and 100 of the top battles. On the other side a narrative guide tells the story of planet, life and people.
moving with rhythm, together as oneadd a word