Time Is for E.V.E.R. (Paperback)
After discovering that a golden sphere hidden behind a secret door in their grandparents' basement is a time machine, Stevie and his older sister, Amber, try to prevent an accident from ever happening. Things, however, don't go as planned when another accident leaves them stranded in the past. They must now figure out a way of returning to their own time, or be lost in time, forever.