What if one wrong number dialed your way straight into the right person's heart? From the bestselling author of Everything, Everything and The Sun is Also a Star comes a YA romance about looking for your person - with help from a boy who doesn't believe in love . . .

Tallie's life feels like one long missed connection. She never knew her mom - she died the day Tallie was born. And seven months ago, Tallie met a boy who felt like her soulmate. They spent five magical hours talking, laughing and dreaming. His name was Thomas. And then he was gone.

Now Tallie's facing something even bigger: the same heart condition that killed her mom. In forty-two days, she'll have the surgery that could save her . . . or end her story forever. Determined to live before she dies, Tallie decides to track down Thomas. She finds his phone number and sends a text, but the boy who replies isn't Thomas.

It's Owen. He's sarcastic, witty, complicated and nothing like the boy she thought she wanted, yet he offers to help her search for Thomas. But the more time they spend together, the more Tallie wonders if the connection she's been chasing has been right in front of her all along . . .