**Adventure Comics #317**, published by **DC Comics** in **February 1964**, features two key stories:

1. **"The Menace of Dream Girl!"** - This story introduces **Dream Girl**, a new member of the Legion of Super-Heroes. Her arrival causes chaos as she manipulates events to prevent a tragic future she has foreseen. The story explores her precognitive abilities and her impact on the Legion, including the transformation of Lightning Lass into Light Lass.

2. **"The Shrinking of Superboy!"** - Superboy faces a bizarre challenge when he is shrunk to a miniature size. This tale blends science fiction with superhero action, showcasing Superboy's ingenuity in overcoming obstacles.

The cover art was created by **Curt Swan**, with interior artwork by **John Forte** and writing by **Edmond Hamilton**. This issue is notable for its introduction of Dream Girl, making it a key piece for fans of the Legion of Super-Heroes.