Böcker i Duck and Moose-serien

"Moose loves playing astronaut. Imagining his helmet, his seatbelt, and rocketing off into space are his favorite things to do! One day, Moose invites Duck to play with him. But there's just one problem--Duck doesn't know how to use his imagination. Moose teaches him but soon becomes frustrated because Duck doesn't play astronaut the 'right' way. How will these friends learn how to work--and imagine --together?--