These are the books by Geraldine McCaughrean that are reviewed on this site:
The Kite Rider
Haoyou rides his magnificent kite into the skies for the travelling JadeCircus.
Stop the Train
There's no point settling a township in the middle of the desert if the train won't stop at your station . . .
Not the End of the World
Noah's Ark - what it was really like on board.