At this link you will find more information about a project that is the combined effort of the Community of St. Martin, Solesmes, and the abbey of St. Joseph de Clairval-Flavigny: a Latin-French Liturgy of the Hours with chant in three volumes. It offers a convenient way to sing the Office in the Ordinary Form in Latin.
Having worked closely with the typesetter for the Parish Book of Chant and facing the daunting task of putting together all this music for that book, I can only stand in amazement at the sheer enormity of the task here.
The publisher is offering an early-bird discount for the until May 31 ($262) after which it will be available for $350. Have a look.