BattleTech. Saga of the Legion of the Gray Death. Book 2. Mercenary Star

The second book in the legendary trilogy about Grayson Carlyle's squad.
The Legion of the Gray Death receives its first mission. On the green planet Verdandi they will have to train the rebels to fight against the mechs. Even as we approach Verdandi, it turns out that the task is far from being as simple as one might expect. And the planet itself is preparing many tests for the Legion. But the main test awaits Grayson himself - will he cope with the role of squad leader? Will he be able to win the trust of not only the mercenaries, but also the rebels?