Green Apple by Black Cat is a collection of graded English readers created for students aged 7 to 14, with levels ranging from A1 to A2/B1 of the CEFR. It includes adaptations of literary classics, original stories, and non-fiction, featuring engaging illustrations and activities to develop all four language skills. All titles come with full audio, and many are available in eReader format with interactive activities. Green Apple is ideal for learners looking for an enjoyable and effective way to improve their English while reading engaging and enriching content.