#2 of 6 in The Hitchhiker's Guide to the Galaxy
#4 of 6 in The Hitchhiker's Guide to the Galaxy
#3 of 6 in The Hitchhiker's Guide to the Galaxy
#1 of 6 in The Hitchhiker's Guide to the Galaxy
#1 of 6 in Freakonomics
5 Arthurian Romances
20 The New Middle Ages
#1 of 7 in The Chronicles of Narnia (Publication Order)