Tolstoy novel (4)
'tolstoy novel' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for war and peace that I've seen before include "Book by Tolstoy" , "Tolstoy epic" , "work" , "Wee panda car (anag) -- novel by 18" , "Tolstoy novel" .)
(Other definitions for anna that I've seen before include "Palindromic girl's name" , "and eleven, twenty four across heroine" , "Dame -- Neagle" , "Girl's name (palindrome)" , "The name's the same,either way" .)