Yes, there are audio books, one is an UK version and the other an American. I prefer the British version, read by Stephen Fry,  the actor. He does the voices very well and all the inflections and comments are very well done. Sorry it took so long to get back to you I moved from New York to Texas and have just set up parts of the network.#^Stephen Fry - Wikipedia
Stephen John Fry (born 24 August 1957) is an English actor, broadcaster, comedian, director, audiobook narrator and writer. He first came to prominence as one half of the comic double act Fry and Laurie, alongside Hugh Laurie, with the two starring in A Bit of Fry & Laurie (1989–1995) and Jeeves and Wooster (1990–1993). He also starred in the...