This is a great series. It will keep you on the edge of your seat wondering what will happen next!
I strongly recommend you read them in order:
Series one,ON THE RUN:
Book one: Chasing The Falconers
Book two: The Fugitive Factor
Book three: Now You See Them, Now You Dont
Book four: The Stowaway Solution
Book five: Public Enemies
Book six: Hunting the Hunter

Series two, KIDNAPPED:
Book one: The Abduction
Book two: The Search
Book three: The Rescue

Reviewed by Me for TeensReadToo.com

When we last left Aidan and Meg Falconer in CHASING THE FALCONERS, they were fleeing Vermont--and a man they've dubbed Hairless Joe who seems to want to kill them. Miguel Reyes, a former juvenile who was housed with them at Sunnydale Farm, has been shot and captured, and Aidan and Meg know that they don't have much time before the police--and FBI agent Emmanuel Harris--catches up with them.

Aidan found the photograph that he was looking for in the summer house in Vermont, that shows in living color that CIA operative Frank Lindenauer is a real, live person. They seem to be out of options as to what to do next, though, until Aidan spots a clue in the photo--the name of a hotel where "Uncle" Frank and his then-girlfriend, "Aunt" Jane, stayed during that summer vacation.

The kids make it to the hotel and eventually unearth a name and address for "Aunt" Jane, all the way in Boston, Masachusetts. So Aidan and Meg are on the run, once again, heading towards Boston while trying to avoid the police, Hairless Joe, and Agent Harris.

"Aunt" Jane, though, doesn't provide the miracle that they were looking for. She doesn't have any new information about Frank Lindenauer--she doesn't even know where he lives. And when she turns the Falconers into the police, it's only luck that allows him to escape, even though Meg is taken into custody.

Aidan attempts a desperate rescue, infiltrating the police station where Meg is being held until FBI agent Harris and a member of the Juvenile Department of Corrections can arrive to pick her up. Aidan does find one thing that might be able to help them, though, a file of old traffic tickets on "Uncle" Frank. A daring rescue ensues, and Aidan and Meg narrowly avoid a station full of police officers, a very close encounter with Hairless Joe, and Agent Harris.

The kids are on the run once again, this time with an address for Frank Lindenauer in California. I can't wait to read the next book in this high-energy action-adventure series, NOW YOU SEE THEM, NOW YOU DON'T. Highly recommended!

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