In order to heal after his mother’s death, thirteen-year-old Sal learns to reach into time and space to retrieve things–and people–from other universes.
- ISBN: 9781368022828
- Published: 2019 , Rick Riordan Presents
- Themes: children and parents, Death, Time travel
- Descriptors: Cuba, Intermediate (ages 9-14), Latinx in US, Science Fiction
- No. of pages: 400