Gotham City is hosting a comedy festival, and The Joker is determined to take first prize! He's hypnotized the crowd with a new face filter app that has everyone laughing . . . and laughing and laughing. Batgirl and Supergirl swoop in to foil the forced fun. But the Super-Villain has more tricks up his sleeve and another terrible invention: a bubble blower whose blasts can slow down even the Girl of Steel! Can the Super Heroes put an end to the chaotic clown show? Find out in this action-packed, illustrated chapter book that's perfect for young DC Super Hero fans!
| ISBN: | 9781398257689 |
| Publication date: | 19th June 2025 |
| Author: | Jay Albee, Bob Kane, Bill Finger, Jerry Siegel, Joe Shuster |
| Illustrator: | Sarah Leuver |
| Publisher: | Raintree an imprint of Capstone Global Library |
| Format: | Paperback |
| Pagination: | 66 pages |
| Series: | The Adventures of Batgirl and Supergirl |
| Genres: |
Science Fiction Adventure Stories |