We Walked the Sky by Lisa Fiedler

Callie VanDrexel thinks she knows exactly what her future holds, until her mom accepts a job at an animal santuary in Florida, forcing callie to leave the circus and put her high wire dreams on hold. She is still struggling with the recent death of her grandmother, Victoria, and the move is doing little to help her cope. Fifty years earlier Victoria runs away to the circus with a plan to make a new life for herself in Texas. But as time goes on she gets closer to the members of VanDrexels Circus, and findes her place on the highwire. After a while Texas seems less and less like the right path to take. Frustrated and confused Victoria writes down lessons she picks up from the circus on scraps of paper that she stores in her jewelry box. 

We Walked the Sky telles the story of Callie and her grandmother, Victoria. Their journey shares a powerful message about love, change, and the difference between running from and running to. Throughout the book Victoria's many secrets unravel through a series of journal entries and random notes, leaving Callie to put the pieces together to reveal the shocking truth about her beloved grandmother. In the novel Callie and Victoria both learn to embrace change and deal with the hardships of life.