Falling Through Time — Helen Allan

Desperate and alone, sixteen-year-old Megan uses a powerful and ancient talisman to escape modern-day life and make a new start in ancient Egypt. But powerful enemies lie in wait, seeking her destruction and the magical scarab necklace she wields.Will an alliance with another immortal, the handsome and secretive Franklin, help keep her from harm long enough to learn the secrets of the scarab? – Or will he cause her to lose everything – including her heart?