Maremagnum

Maremagnum is an Milan-based vertical search site for books. It was founded in 1995 in Milan by Sergio Malavasi, the owner of the Libreria Malavasi; its website went live in 1996.
Name.
The site was named after the "Maremagnum omnium materiarum" of Francesco Marucelli.
Other services.
Maremagnum also operates "Marelibrorum", an online database of bibliographic data and valuations. In 2007, it was a cofounder of the Marelibri search engine for books.