Day 55 -- Book 57 When You Reach Me -- Rebecca Stead
2010 Newbery Winner
It's 1978, New York, Miranda is twelve years old. She's helping her mother get ready to be on the 20,000 Dollar Pyramid, and she's obsessed with A Wrinkle in Time.
Strange occurrences begin to happen and Miranda starts receiving notes claiming that there's someone who wants to save her life. She believes that this person knows the future and that they want Miranda to prevent a death.