From the article:
"Mousetronaut: A Partially True Story" will be published in October by Simon & Schuster Books for Young Readers. According to Simon & Schuster, which released a statement Monday, the book tells of a little mouse chosen for a space mission.
"While in space," the statement says, "the astronauts are busy with their mission when only the smallest member of the crew can save the day."
..."Mousetronaut" will be illustrated by C.F. Payne, who has worked on books by John Lithgow and Steve Martin and has drawn numerous magazine covers.