Three thick books and glasses as a visual aid as black and white picture

---

Size: 6499px × 4541px
Location: Magdeburg, Germany
Photo credit: © Heiko Küverling / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -instruction, aids, background, black, black--white, black-white, book, books, cardboard, collection, dictionaries, education, encyclopedia, eyeglasses, glasses, learn, learning, literarily, literary, literature, material, monochrome, paper, pasteboard, pile, profession, read, reading, readingglasses, school, stacked, stacking, study, table, teach, teacher, teaching, thesis, training, university, white