Factual error: On page 25, it mentions that the boa constrictor at the zoo winked at Harry. Snakes don't have eyelids at all, so it's impossible for them to wink.
Factual error: When Harry is with the Dursleys in the run-down shack, he realises that Tuesday is his birthday. However, in 1991, July 31st was a Wednesday.
Harry Potter and the Philosopher's Stone
Harry Potter and the Prisoner of Azkaban
Angels & Demons
The Da Vinci Code
Harry buys the book "One Thousand Magical Herbs and Fungi", but later, the title changes to "One Hundred Magical Herbs and Fungi".
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A new menu and more - thoughts welcome...
25 biggest mistakes in classic Disney movies
First pictures of Josh Brolin as Cable for Deadpool 2
The biggest mistakes in Spider-Man: Homecoming