Description Defend the portals.
Grab Portals in Peril and help save the Empty World now.
If your kids have blown through the Land of Stories, devoured the Keeper of the Lost Cities, or can\'t wait for the next Wings of Fire, make the complete Empty World Saga their next read.
Christy and her friends must track down and restore the crystal, or the released black hole won\'t just destroy the Empty World...the whole universe is in danger Portals in Peril is the fifth and final book in the Empty World Saga, a science fiction adventure series for kids aged 8-12.
When the Ancients manage to steal the crystal protecting the massive power source contained inside the pyramid, it\'s a race against time.
All is not right in the Empty World, and Doug and Mike may not be able to defend the pyramid by themselves.
She has the means; she just needs to round up as many friends as she can and convince them to go with her.
Sent back to Earth, Christy bides her time plotting to go back to the Empty World.
Defend the universe.
Description Defend the portals
