After the success of "The Girl from Gran Dolina 2. Lucy", Isabel Vega returns in a race against time to save humanity.

Following the shocking discoveries at the Gran Dolina site, Isabel faces an even greater threat: a secret organization seeking to control the past to manipulate the future. From the depths of Atapuerca to exotic international locations, she must use all her ingenuity and courage to stop them.

In this fast-paced adventure, Isabel will be forced to question everything she thought she knew about human evolution and her own role in history. Can she prevent the world from falling into the wrong hands?

Action, mystery, and science combine in this explosive novel that will keep you on the edge of your seat until the very last page.