Patricia Lauber was born in New York City and graduated from Wellesley College. During her lifetime, she wrote more than 125 children's books including the Around-the-House History series, the Clarence the TV Dog series, and contributions to the Let's-Read-and-Find-Out Science series. Volcano: Eruption and Healing of Mount St. Helens received a Newbery Honor in 1986. In 1983, she received The Washington Post/Children's Book Guild Award for her overall contribution to children's nonfiction literature. Besides being an author, she was also an editor of Junior Scholastic and editor-in-chief of Science World. She died on March 12, 2010 at the age of 86.
Holly Keller is the author-illustrator of more than thirty-five books for young children including the Horace books, Farfallina and Marcel, Help!, and Grandfather's Dream. She has also illustrated over twenty nonfiction titles written by others including the Let's-Read-and-Find-Out Science Books series. She won the 2003 Charlotte Zolotow Award.