Susie, Chuckie, and Tommy are ready for a fun day at a sci-fi convention with their dads. But when they think they find a famous space villain, they end up having an out-of-this-world adventure. Both girls and boys, 5 to 7 years old, who are fans Nickelodeon's animated series will love this hilarious Step 3 Step into Reading leveled reader. Step 3 Readers feature engaging characters in easy-to-follow plots about popular topics. For children who are ready to read on their own.