In this fourth book of the Secret series, Cass may be in grave danger. She's eaten the dreaded Time Travel Chocolate--and it appears she is literally stuck in the past. Meanwhile, Max-Ernest is worried for his best friend. Can this expert hypochondriac diagnose Cass's condition before it's too late? Illustrations.
The Secret Series continues in this dangerous and daring fourth adventure.

Cass finds herself alone and disoriented, a stranger in a dream-like, medieval world. Where is she? Who is she? With the help of a long-lost relative, she begins to uncover clues and secrets--piecing together her family's history as she fights her way back to the present world.

Meanwhile, back home, Cass is at the hospital in a deep coma. Max-Ernest knows she ate Time Travel Chocolate--and he's determined to find a cure. Can our expert hypochondriac diagnose Cass's condition before it's too late? And will he have what it takes to save the survivalist?