[Answer] In the Harry Potter books, what are the creatures who guard the prison of Azkaban called?

Step 1 : Introduction to the question "In the Harry Potter books, what are the creatures who guard the prison of Azkaban called?"

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[Answer] 5. In J.K. Rowling's "Harry Potter and the Prisoner of Azkaban", a Boggart turns into Ronald Weasley's worst fear. What was the phobia that haunted him? (The name of the phobia is derived from the Greek word for spiders)

Step 1 : Introduction to the question "5. In J.K. Rowling's "Harry Potter and the Prisoner of Azkaban", a Boggart turns into Ronald Weasley's worst fear. What was the phobia that haunted him? (The name of the phobia is derived from the Greek word for spiders)"

...1. Anemophobia 2. Arachnophobia 3. Arachibutyrophobia 4. Atephobia Arachnophobia is the fear of spiders (derived from the Greek word for spider, "arachne"). That is why the Boggart turned into a spider in the third part of the "Harry Potter" series. Boggarts turn into your worst fears.

[Answer] How many books in the Harry Potter series have sold worldwide?

Step 1 : Introduction to the question "How many books in the Harry Potter series have sold worldwide?"

...Harry Potter first hit the literary world in 1997. Originally published by Bloomsbury, the wizarding series now exists in over 80 different translations across the world. Since it first hit bookshelves, a total of 500 million copies of the Harry Potter books have sold, and that number continues to climb. That total includes both print and eBook versions. The seven books contain over 1.1 million words, including the made-up words such as "Quidditch." The first in the series, "Harry Potter and the Philosopher's Stone," is the best-selling of the set. Source: PotterMore.com

[Answer] In Harry Potter, what is the name of the werewolf who preyed on children?

Step 1 : Introduction to the question "In Harry Potter, what is the name of the werewolf who preyed on children?"

... Blackback; Redback; Greyback; Bloodback; Greyback is the werewolf who bit Lupin, who was Harry's teacher for one year.