He dies when frieheart is trying to make it to yellowfang. Yellowfang is the medicine cat. But medicine cats cannot have kits. So she gave up brokentail. Brokentail began to murder other clan cats, so yellowfang fed him death berries.
Yes, Brook dies in the Warriors series by Erin Hunter. He meets his end during the battle with the Dark Forest, sacrificing his life to protect his Clanmates.
Lewis Brook died in 1996.
Brook Brasier died in 1940.
Brook Bernacchi died in 1996.
Alexander Brook died in 1980.
Terence Brook died in 2005.
Frederick Brook Hitch died in 1957.
D. Brook Bartlett died in 2000.
Robert Brook Aspland died in 1869.
Richard Brook - bishop - died in 1969.
Robin Brook died on 1998-10-25.
Barry S. Brook died in 1997.
Arthur Brook - cricketer - died in 1917.