Books on a shelf
A library bookshelf
A bookshelf or bookcase was an piece of furniture used to store works of literature.
Captain Philippa Georgiou's ready room aboard the USS Shenzhou had a bookshelf prior to its destruction in 2256. (DIS: "The Vulcan Hello")
The library aboard the SS Botany Bay had a bookshelf filled with books in 2285. (Star Trek II: The Wrath of Khan)
In 2375, Commander Chakotay mentioned seeing a copy of George Bernard Shaw's collected works on Valerie Archer's bookshelf on Terrasphere 8. (VOY: "In the Flesh")
When Captain Jonathan Archer and temporal agent Daniels became stranded on a devastated Earth during the 31st century, among the ruined buildings was a library containing a vast number of books stored on book shelves. (ENT: "Shockwave, Part II")