Bravelands: Thunder on the Plains #3: Realm of Lost Spirits - Erin Hunter - Bog

"Bravelands faces its final test. As water dwindles and food becomes scarce, Whisper the water buffalo must embrace a strength she never knew. Stride the cheetah embarks on a dangerous journey--a final attempt to bring rain to Bravelands. But the quest will lead him into the underworld of spirits, where his most fearsome enemy awaits. And Breathstealer the hyena faces a choice. The Great Devourer pours poison in her ear, promising strength and survival for her and her entire clan. But his plans would send her down a dark path of no return. Can Bravelands come together to vanquish this great evil? Or will their home be torn apart?"--