Seventeen-year-old Aimee Roh has Sensory Time Warp Syndrome, a rare condition that causes her to time travel to a moment in her life when she smells something linked to that memory. Her dad is convinced she'll simply grow out of it if she tries hard enough, but Aimee's fear of vanishing at random has kept her from living a normal life. When Aimee disappears for nine hours into a memory of her estranged mom--a moment Aimee has never remembered before--she...

"Echo Desjardins, a 13-year-old Métis girl adjusting to a new home and school, is struggling with loneliness while separated from her mother. Then an ordinary day in Mr. Bee's history class turns extraordinary, and Echo's life will never be the same. During Mr. Bee's lecture, Echo finds herself transported to another time and place--a bison hunt on the Saskatchewan prairie--and back again to the present. In the following weeks, Echo slips back and...