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Summary:
Back in London, fifteen-year-old twins Sophie and Josh Newman must determine whom they can and cannot trust as they search for both Scatty and an immortal who can teach Josh the magic of fire, while Doctor Dee and Machiavelli continue to seek power.
Notes:
Description based on print version record.
What is the Rotten Tomatoes Tomatometer?
The Tomatometer measures the percentage of Approved Tomatometer Critics who recommend a certain movie --
or the number of good reviews divided by the total number of reviews.
A good review is denoted by a
FRESH tomato.
A bad review is denoted by a ROTTEN tomato. 
In order for a movie to receive an overall rating of FRESH on Rotten Tomatoes, the reading on the Tomatometer for that movie must be at
least 60%. Otherwise, it is ROTTEN. The ratings and reviews are licensed by the Phoenix Public Library from Rotten Tomatoes. For more information,
please visit the Rotten Tomatoes website at www.rottentomatoes.com