To reach the castle where his sister was working as hairdresser to the royal
family, Freddie knew he would have to face the troll who lived under Persimmon
Bridge. His two older brothers had already tried and failed to answer the troll's
three questions. The oldest had gotten stuck on the square root of 998,001. The
second brother had been unable to name the capital of Liechtenstein. But
Freddie was confident, because he had a secret weapon that had just been
invented: a smart phone with access to the Internet.
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How does the use of point of view create suspense in the passage?