In a world devastated by war and disease, a young tree builder searches for the last trees on earth.

Carter and Sadie, offspring of the brilliant Egyptologist Dr. Julius Kane, embark on a worldwide search for the Book of Ra, but the House of Life and the gods of chaos are determined to stop them.

Thirteen-year-old Charlotte Doyle is excited to return home from her school in England to her family in Rhode Island in the summer of 1832. But when the two families she was supposed to travel with mysteriously cancel their trips, Charlotte finds herself the lone passenger on a long sea voyage with a cruel captain and a mutinous crew. Worse yet, soon after stepping aboard the ship, she becomes enmeshed in a conflict between them! What begins as an...

In 1907, sixteen-year-old Julia Hamilton, happy to accompany her diplomat father on a tour of the Ottoman-controlled cities of Istambul, Damascus, Palmyra, and Aleppo, soon finds the journey increasingly hazardous as she begins to uncover her father's true mission and the secret motivations of the other travelers in their group.

Despite their best efforts, Carter and Sade Kane can't seem to keep Apophis, the chaos snake, down. Their only hope: find an ancient spell that might turn the serpent's own shadow into a weapon.