Join best friends Monty and Sylvester on a mission to deepest darkest space in this brilliantly funny picture book!

5, 4, 3, 2, 1 ... Blast off! Monty and Sylvester have been in training (for at least 20 minutes) for a very BIG challenge: the first mouse and bear mission to outer space! Will they discover a new planet? Will they encounter alien life? Or will this be one small step too far for the intrepid duo?

A laugh-out-loud tale about friendship, imagination . . . and moon cheese.