Smriti Prasadam-Halls is an award-winning, internationally best-selling children's author whose books have been published in more than thirty languages. Her titles include the Publishers Weekly #1 bestseller I Love You Night and Day, illustrated by Alison Brown. Smriti Prasadam-Halls previously worked at the BBC and in children's publishing and television as a writer and editor for twelve years. She lives in London with her husband and three sons.

Jaime (Jimyung) Kim was born and raised in Korea before moving to the United States at the age of eighteen. She is the illustrator of many picture books, including La La La: A Story of Hope by Kate DiCamillo, And Then Comes Summer by Tom Brenner, and Around the Table That Grandad Built by Melanie Heuiser Hill. Jaime Kim lives in North Carolina.