Now a major motion picture starring Alfre Woodard, Jessica Collins, John Heard, Jacinda Barrett, Cloris Leachman, and Talitha Bateman--in theaters October 2017!

From acclaimed author Sarah Weeks comes a touching coming-of-age story about a young girl who goes on a cross-country journey to discover the truth about her parents, which the New York Times called "a remarkable novel." Perfect for fans of Rebecca Stead's When You Reach Me and Ali Benjamin's The Thing About Jellyfish.

She doesn't know when her birthday is or who her father is. In fact, everything about Heidi and her mentally disabled mother's past is a mystery. When a strange word in her mother's vocabulary begins to haunt her, Heidi sets out on a cross-country journey in search of the secrets of her past.

Far away from home, pieces of her puzzling history come together. But it isn't until she learns to accept not knowing that Heidi truly arrives.

This book was recognised in the Middle Grade category by the Young Hoosier Book Award.

This book has been graded for interest at 8-12 years.

There are 245 pages in this book. This book was published 2014 by HarperCollins Publishers Inc .

SARAH WEEKS is the award-winning author of numerous picture books and middle grade novels, including "Overboard!, " illustrated by Sam Williams, and "So B. It. " She lives in New York City.