Lina and Doon succeeded in taking the people of Ember above ground, but nobody realizes how different life will be. After walking for several days with few supplies or food, the people of Ember come to the town of Sparks. While both groups of people want to work together to help each other survive, they find it very difficult. Where should the people of Ember live? How do the two groups share food and resources? These three books tell the story from both before Ember was founded and into the future beyond their time with the people of Sparks. 
Imagine that life on earth was in great danger. A small group of people go underground with supplies to last several hundred years. They plan to leave instructions on how to return home once it is safe - but those instructions are lost. This is what has happened where Lina and Doon live. Their home, Ember, is running out of supplies. Neither one knows that they need to look for the lost instructions, but they both start to find important clues and some awful secrets.
In this, Kane Chronicles - Book #3, Sadie and Carter are once again faced with saving the world. They have known of their magical powers for less then a year, but have faced many evil creatures from the ancient Egyptian world. In this book, Sadie and Carter must involve some of their new friends, and they are reunited with several friends from the past who they had thought were hopelessly gone. They must figure out how to stop Apophis, the god of chaos, before he destroys the world.
In this third book of the "sequel series" to the original 39 Clues books, Dan and Amy are once again on the run. However, now, instead of discovering clues, they must steal ancient and priceless treasures. The infamous Vesper 1 has kidnapped multiple members of Dan and Amy's family, and is holding them hostage. Dan and Amy must continue to follow all directions given by Vesper 1 or else he threatens to kill one of their relatives.
Those who live in the capitol city live in luxury, but those who live in the outlying districts live in poverty. After the districts tried to rebel, the leaders created an annual event called "The Hunger Games". A boy and a girl, chosen at random, from each district were required to compete in this battle-to-the-death, televised event. The main character, Katniss Everdeen, lives in District 12. Her father was killed in a mining accident, and Katniss must hunt to provide food for her family. When her younger sister's name is chosen for "The Hunger Games", Katniss immediately volunteers to take her place.