Is half of Tolstoy’s work distortion? (4)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

WARP forms 4 of 8 [half of the letters in the key words] of the title of Tolstoy’s novel WAR and P EACE.  Surely though, the title is the full WAR AND P EACE of which WARP forms 4/11 of the letters