Subterranean Subclass_Chemistry and for the new friends

and for the new friends she never expected to make – who each have their own reasons for being there

This indispensable guide to family in the #1 bestselling series reveals how to avoid letting the minor setbacks in your home life get you down

Combining powerful stories with cutting-edge findings

Combining crystal-clear explanations

Cole teams up with the resistance movement and joins the search for Mira's sister Honor

Subterranean Subclass_Chemistry and for the new friendsBeneath the ice at the bottom of the Earth is a magnificent subterranean labyrinth, a place of breathtaking wondersand terrors beyond imagining. A team of specialists led by archaeologist Ashley Carter has been hand picked to explore this secret place and to uncover the riches it holds. But they are not the first to venture hereand those they follow did not return. There are mysteries here older than time, and revelations that could change the world.