Taro Gomi (五味太郎) is a major children’s illustrator and writer. He has more than 400 book titles to his credit. His work has been widely translated into 15 other languages. Tarō was born in Tokyo and he graduated from ID department, Kuwazawa Design Institute. His readers range from babies to adults, with an equal number of fans overseas. His work has been appreciated considerably with both domestic and international honours such as the Sankei Jido Shuppan Bunka Award, Bologna Children's Book Fair Award among others. Along with authoring children's books, he is well-known in the fields of Stationery design, clothing design, production of young children's animated videos, CD-ROMs, essays etc. His popular books published in English include Everyone Poops, Santa Through the Window, Where's the Fish?, My Friends and The Crocodile and the Dentist.

Joanna Cole, who also wrote under the pseudonym B. J. Barnet, was an author of children’s books who teaches science. She is most famous as the author of The Magic School Bus series of children's books. Joanna Cole wrote over 250 books ranging from her first book Cockroach to her famous series Magic School Bus. Cole was born in Newark, New Jersey, and grew up in nearby East Orange. She loved science as a child, and had a teacher she says was a little like Ms. Frizzle. She attended the University of Massachusetts and Indiana University before graduating from the City College of New York with a B.A. in psychology. After some graduate education courses, she spent a year as a librarian in a Brooklyn elementary school. Cole subsequently became a letters correspondent at Newsweek, and then a senior editor for Doubleday Books for Young Readers.