Harry Potter fans around the world have been debating which book in the series is the thickest for years. After much deliberation, the answer appears to be Harry Potter and the Goblet of Fire (Harry Potter, #4) by J.K. Rowling. According to Goodreads, this book has an average rating of 4.57 out of 5 stars, with 3,298,929 ratings and 37,570 people voting.
The second thickest book in the series is Harry Potter and the Order of the Phoenix (Harry Potter, #5) by J.K. Rowling. This book has an average rating of 4.50 out of 5 stars, with 3,077,434 ratings and 32,562 people voting.
The reason why Harry Potter and the Goblet of Fire is the thickest book in the series is because it is the longest book in the series. It has 734 pages, while the second longest book in the series, Harry Potter and the Order of the Phoenix, has 870 pages.
The Harry Potter series is one of the most popular book series of all time, and fans of the series are always eager to find out which book is the thickest. Now that we know that Harry Potter and the Goblet of Fire is the thickest book in the series, fans can enjoy reading it even more.