It's no laughing matter when jokester Harley Quinn arrives in Gotham City intent on stealing precious jewels and having some laughs--but Batman is determined to stop her in this action-packed leveled reader. This book is perfect for young DC super hero fans ages 5 to 8--and the stickers included make it extra fun! Step 3 readers feature engaging characters in easy-to-follow plots about popular topics for children who are ready to read on their own.