The Chronicles of Narnia: Prince Caspian of 2008, the film earned almost $71 million in DVD sales. The review aggregate website Rotten Tomatoes reported that 67% of critics gave the film positive reviews, based on 188 reviews. The site's critical consensus reads, ""The Chronicles of Narnia: Prince Caspian" is an entertaining family adventure worthy of the standard set by its predecessor." Metacritic reported the film had an average score of 62 out of 100, based on 34 critics, indicating "generally favorable reviews". Audience members polled by CinemaScore gave the film an average grade of "A−" on an A+ to F scale. Film critic Leonard Maltin gave
The Chronicles of Narnia book: Lewis's interest in the literary symbolism of medieval and Renaissance astrology is more overtly referenced in other works such as his study of medieval cosmology "The Discarded Image", and in his early poetry as well as in "Space Trilogy". Narnia scholar Paul F. Ford finds Ward's assertion that Lewis intended "The Chronicles" to be an embodiment of medieval astrology implausible, though Ford addresses an earlier (2003) version of Ward's thesis (also called "Planet Narnia", published in the "Times Literary Supplement"). Ford argues that Lewis did not start with a coherent plan for the books, but Ward's book answers this