Mary Pope Osborne is the award-winning author of many distinguished books for children and young adults, including the bestselling Magic Treehouse series; Favorite Medieval Tales, illustrated by Troy Howell; American Tall Tales, illustrated by Michael McCurdy; Rocking Horse Christmas, illustrated by Ned Bittinger; and Adaline Falling Star. The former president of the Author's Guild, she lives in New York City with her husband, Will.

Giselle Potter has illustrated many books, including Kate and the Beanstalk by Mary Pope Osborne, an ALA-ALSC notable book; The Boy Who Loved Words by Roni Schotter, a Parents’ Choice Gold Award winner; and Cecil the Pet Glacier by Matthea Harvey. She is the author and illustrator of Tell Me What to Dream About and This Is My Dollhouse—both inspired by her daughters—and The Year I Didn’t Go to School, about traveling through Italy with her parents’ puppet troupe when she was eight. Giselle also illustrates “Ties,” a weekly column in the Well section of The New York Times. She lives in Rosendale, New York, with her husband and two daughters. Visit her online at GisellePotter.com.