Book excerpt: In the year 3050 the mysterious invaders known as the Clans struck without warning from beyond known space. Their advanced 'Mechs destroyed all opposition and captured planet after planet. Now the Clans' secrets are revealed in Field Manual: Warden Clans. The second of two volumes on the Clans, this BattleTech sourcebook describes the seven most noble Clans: Cloud Cobra, Coyote, Diamond Shark, Ghost Bear, Goliath Scorpion, Snow Raven, and Steel Viper. Each Clans tactics, uniforms and battle histories are described in detail, along with new Clan 'Mechs and equipment.