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Exclusive introduction of the 70-year-old original GRL graded reading in the United States, more than 90% of public schools in the United States have books!
Non-fiction books (non-virtual) are the core, including life cognition, interpersonal communication, morality, popular science encyclopedia, imagination and fantasy, humanities and art, as well as classic fairy tales, Aesop's fables, masterpieces and so on. From the difficulty level of aa-Z 27, the 2000+ original picture book conforms to the CCSS guidelines of the United States and is more suitable for domestic children aged 3- 12.