* Most Popular Book: "Harry Potter and the Sorcerer's Stone" (or "Harry Potter and the Philosopher's Stone" in some countries) is often cited as a favorite due to its introduction of the magical world and its charming story.
* Most Popular Movie: "Harry Potter and the Prisoner of Azkaban" is frequently praised for its darker tone, strong characters, and innovative directing by Alfonso Cuarón.
* Critically Acclaimed: "Harry Potter and the Half-Blood Prince" is considered a favorite among critics for its emotional depth and exploration of complex themes.
Ultimately, the best Harry Potter book or movie is subjective and depends on individual taste. What are *your* favorites? 😄