I've read several of his books both fiction and non-fiction books.
( I ( ( 've ( read ( ( ( several ( of ( his books ) ) ) both ) ( ( fiction and ) ( non-fiction books ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 've) (VP (VBN read) (NP (NP (NP (JJ several)) (PP (IN of) (NP (PRP$ his) (NNS books)))) (CC both) (NP (NP (NN fiction)) (CC and) (NP (JJ non-fiction) (NNS books)))))) (. .)))
I've never read any of his books. 
( I ( ( ( 've never ) ( read ( any ( of ( his books ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 've) (ADVP (RB never)) (VP (VBN read) (NP (NP (DT any)) (PP (IN of) (NP (PRP$ his) (NNS books)))))) (. .)))