Book 1 in The Shadow Children series

At at time in the future, when having more than two children is illegal, 12 year old Luke Garner is a third  born, a shadow child - his very existence punishable by death. He spends his whole life hiding and knows only his immediate family and their small farm.

When a new housing development is built near his family's home, Luke is forced into even greater secrecy, spending days and nights in his attic room. But after catching a glimpse of someone in one of the new houses, Luke is sure he's found another third child. When he discovers Jen, as bold as Luke is timid, she makes Luke imagine a life of freedom. But at what cost?