What do quarto and folio mean in a book's call number?
Libraries shelve oversized books (those over 10.6 inches tall) separately from regular-sized books to save space. Oversized books are divided into two categories: quarto (10.5 to 12.25 inches) and folio (over 12.25 inches). Quarto and folio books are located on the Stacks Level near to the door to the Discovery Center. Quarto and folio art books are on the Second Level near the study carrels.