Ready, Freddy! #9: Ninja Worrier (Used Paperback Book) - Abby Klein
Freddy and his friends love to watch Secret Ninja Spies. When Josh shows off some of his karate skills, Freddy can't believe it — they look just like the cool ninja moves from TV! So Freddy asks his parents if he can take classes. Soon he'll be a ninja, too! But will that make him brave enough to stand up to the biggest bully in the second grade, Max Sellars?