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Summary:
Twelve-year-old Jenni's much-anticipated vacation with her family and best friend Autumn goes awry when an old elevator transports her to a future in which everything has changed, and she must not only return to her time but find a way to prevent what she has seen from coming true.
Notes:
"First published in Great Britain by Orion Children's Books"--T.p. verso.
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