90. The Wind and the Willows by Kenneth Grahame
This was only a 5 hour book, but it would be great for a car journey with the family.
(Some people object to the use of the word "ass," but the meaning in British English is very different from American English. Also there is a "demigod" in the very middle of the book that is sort of weird, and it might bother people.
This blog article explores this: