If you like fantasy and family stories...

 If you like fantasy and family stories, here are some other titles you might enjoy.

Among the Hidden by Margaret Peterson Haddix.
In a future where the Population Police enforce the law limiting a family to only two children, Luke has lived all his twelve years in isolation and fear on his family's farm, until another "third" convinces him that the government is wrong.

The Girl Who Owned a City by O.T. Nolan.
When a plague sweeps over the earth killing everyone except children under twelve, ten-year-old Lisa organizes a group to rebuild a new way of life.

The White Mountains by John Christopher.
"Strong in action and suspense, this science fiction tale of the twenty-first century describes a world where human life and thought are controlled. To escape this fate, three boys go on a long, dangerous journey." - School Library Journal

The City of Ember by Jeanne Du Prau.
In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions. The sequel, The People of Sparks, has just been published.