 
 <translate> To answer this question, we should know that: From the seven novels, there have been three film adaptations so far -- The Lion, the Witch and the Wardrobe (2005), Prince Caspian (2008) and The Voyage of the Dawn Treader (2010) -- which have grossed over $1.5 billion worldwide among them. So, the answer is seven. <ibo> Iji zaa ajụjụ a, anyị kwesịrị ịma nke a: Site n'akwụkwọ akụkọ asaa ahụ, e meela ihe nkiri atọ ruo ugbu a - Ọdụm, Onye Nwanyị Agbọghọ na Uwe Oyi (2005), Prince Caspian (2008) na The Voyage of the Dawn Treader (2010) - nke mere ihe karịrị ijeri dọla 1.5 n'ụwa nile n'etiti ha. Ya mere, azịza ya bụ asaa. 