Ninja on the Job (Moby Shinobi: Scholastic Reader, Level 1)

Moby heads to a construction site to help the construction workers build a house. Moby tries to chop lumber, hammer in nails, and use other construction tools, but each try ends in a funny mess. What if Moby's ninja skills aren't right for the job? Then someone gets stuck in wet concrete. It's finally Moby's turn to save the day!