A closed, blue, hardcover book. Commonly used for various content concerning reading, writing, learning, and schooling. May also be used as a blue accent color.
Apple’s cover features the easter egg Vol. 3 by John Appleseed, Samsung’s reads Blue Book. Note that in the U.S., this emoji may be associated with blue book exams and the Kelley Blue Book.
📅 Blue Book was approved as part of Unicode 6.0 in 2010
and added to Emoji 1.0 in 2015.