Властелин колец. Книга 2. Две твердыни

This is the Lord of the Rings series.
A kind of "bible from fantasy". Book of Books of the 20th century. The most popular, most read, most iconic work of the past century.
In the second book, "The Two Strongholds", the detachment of the Ring-keepers breaks up, and war comes to the lands of Rohan - the state of the Free Riders, allies of Gondor. Aragorn, Gimli and Legolas, along with the younger hobbits, help the Rohirrim in a fierce battle against the forces of the dark magician Saruman, while Frodo and Sam's path lies to the Izgar Mountains and further, to the gloomy fortress of Cirith Ungol, where a secret passage opens to the Dark Land ...