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

There are 160 pages in this book. This book was published 2015 by Farrar, Straus and Giroux (Byr) .

Cynthia DeFelice is a successful children's author who lives in New York. This book was inspired by her grandfather who was apprenticed to a rural doctor at the age of twelve, and went on to become a respected surgeon.