Riddle

Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.

Choose an answer

A.A cactus
B.A porcupine
C.A magazine
D.A book
Hint: It's a 2-word phrase with 5 letters, starting with "A".

Answer

A book

Why this is the answer

A book has pages ("leaves") like a plant and a "spine" like an animal, yet is neither -- and a good book can be treasured more than any fine wine.

This riddle is filed under Hard/Difficult Riddles and rated Medium.