I checked on Goodreads for you 🙂 Apparently there are 5 books in this series😅 It has a 4 out of 5⭐️ rating which is great!! Good luck finding the rest 🙈 https://www.goodreads.com/book/show/36370046-the-hitchhiker-s-guide-to-the-galaxy A link if you would want more info 😊