Ключевые слова: abstract, academic, background, blur, blurred, book, bookcase, bookshelf, bookshop, bookstore, bulb, business, college, colorful, concept, counter, design, education, educational, electronic, information, interior, knowledge, learn, led, library, light, literature, old, online, paper, purchase, read, research, retro, row, school, sell, shelf, shop, stack, store, study, textbook, university, vintage, white, wisdom,