MARIAH CAREY is a #1 New York Times bestselling author. She is also the bestselling female musical artist of all time, with more than 200 million albums sold and nineteen Billboard Hot 100 #1 singles, more than any solo artist in history. She is the recipient of multiple Grammy Awards, numerous American Music Awards, Billboard’s Artist of the Decade Award, Billboard’s Icon Award, the World Music Award for World’s Bestselling Female Artist of the Millennium, and BMI’s Icon Award. In 2020, she was inducted into the Songwriters Hall of Fame.For more information, visit mariahcarey.com and follow her on social media at @MariahCarey.

COLLEEN MADDEN is the illustrator of numbers children's books, including Mariah Carey's All I Want for Christmas Is You and the "12 Days of" series of holiday-themed books. She lives in the Philadelphia area with her husband and two sons.