The secret keepers /
by Trenton Lee Stewart ; illustrated by Diana Sudyka.
- New York ; Boston : Little, Brown and Company, 2016.
- 501 p. : ill. ; 22 cm.
"Megan Tingley Books."
"When twelve-year-old Reuben finds a peculiar, magical watch that has the power to turn its wearer invisible, he's propelled on the adventure of a lifetime"--