For Kaia, setting foot outside can be deadly. Climate change has made Earth too dangerous for people to live anywhere but inside the City. Run on the energy created by its Citizens and sustainable in every way, the City uses microchips, called pulse points, to control the energy its inhabitants use.When Kaia's pulse point malfunctions, she experiences freedom from the strict City rules for the first time in her life. With unlimited energy, she doesn't need to run for hours on a sens...

Selected for the Forest of Reading Teen Committee's Summer Reading pick!Finalist for SYRCA 2018Following the events of Pulse Point, 12-year old Ama and the other Underlanders living in a world of darkness dig for brine, the City's real energy source. Underland is a dangerous place: cave-ins, starvation and illness are constant threats. When their leader deserts them, Ama goes looking for him and stumbles on two Citizens. Neither knew the other existed.18-year ...