Giving it to her on the plane will definetely give her something to do & keep her busy on the plane but she may not get to finish it & really absorb it all...I guess it depends on how old she is. My DD10 read all of it & used it to plan what attractions she really wanted to see. This took her awhile.
The 2005 edition is 160 pages. There is a place for autographs in the back but we don't use that.
In the front (pp14-15), there is a countdown starting from 10 days, on what the child should do each day until the trip.