A term for books with covers no higher and wider than 7.6 centimeters (three inches).
One of the earliest known printed mini-books of the post-incunabula era is the book of hours produced by Lucantonio Giunta on May 4, 1506 in Venice.
The book was titled “Officium Beatae Mariae Virginis secundum consuetudine romane curie.”
It measures just 7.2 × 5.1 cm, was printed on parchment and contains illuminated, full-page woodcuts.