Concept:book or reading is source of knowledge.Tiny boy and girl climb up on books in form of ladder leading up to open door with light coming from it.On background of starry sky.Hand drawn raster

backgrounds, sky, women, girls, up, light, boys, stack, Men, open, concept, test, Expertise, Wisdom, Females, drawing, information, step, reading, learning, studying, intelligence, door, science, library, textbook, page, raster, ray, study, student, tiny, books, ladder, knowledge, leading, publication, source, brochure, Advice, bible, climb, Males, pupil, stair, literacy, novel, starry, Letterpress, hand drawn,