Charlie Hart is a gardener, author and public speaker. He lives in a farmhouse with his wife and five children surrounded by Skymeadow, the garden he has spent the last six years creating. Charlie's memoir Skymeadow: Notes from an English Gardener was published in 2018.

Watty Piper is the pseudonym of Arnold Munk, author behind the classic retelling of The Little Engine That Could and cofounder of Platt & Munk Publishers (now part of Grosset & Dunlap.) Munk's retelling of the beloved children's tale has sold millions of copies since its 1930 publication and inspired generations to believe they can.

Jill Howarth has a passion for illustrating children's books, including Busy Easter and Busy Party for Campbell Books. Born in a sleepy little town in the hills of Pennsylvania, she always knew she wanted to be an artist and got her first non-paying job making drawings for her mom's 5th grade classroom bulletin boards! She lives just west of Boston, with her husband, three teenagers and a crazy, lazy dog.