|a1st Simon & Schuster Books for Young Readers paperback ed.
|aNew York : |bSimon & Schuster Books for Young Readers, |c2013.
|a343 p. ; |c20 cm.
|aThe missing ; |v5
|aWhen Jonah and Katherine travel to early 1900s Switzerland and Serbia to return Albert Einstein's daughter, Lieserl, to history, her mother Mileva grasps entirely too much about time travel and has no intention of letting her daughter go.