Annie Barrows is the #1 New York Times bestselling co-author of The Guernsey Literary and Potato Peel Pie Society, and the author of The Truth According to Us, and the Ivy + Bean chapter book series.

The Guernsey Literary and Potato Peel Pie Society was a Time and USA Today best book of the year.

Her books have been nominated for many awards, including the Bluestem Award, the Mark Twain Award, the Virginia Readers' Choice, the Massachusetts Children's Book Award, and the Kentucky Bluegrass Award, and have been included on the New York Public Library's 100 Titles for Reading and Sharing.

Ivy + Bean has been an ALA Notable Book and is one of Common Sense Media's "50 Books All Kids Should Read Before They're 12."

Sophie Blackall has illustrated several children's books and has also animated for TV. Her books include Meet Wild Boars by Meg Rosoff, and Ruby's Wish.

Of Red Butterfly, she says, "It was such a delight to delve into ancient China. From the moment I first read this story, my mind has been dancing with red butterflies and peach blossoms, lotus pools and autumn moons, princesses and secrets." Sophie lives in New York, USA.