Greg Brennecka

Greg Brennecka has written at least 2 books. Their most popular book is Impact with 2 saves with an average rating of -⭐.

Impact

Impact: How Rocks from Space Led to Life, Culture, and Donkey Kong

Community

Readers & Supporters

Join Our Discord

Follow Along

Blog Hardcover Live About Hardcover Request a feature

We're an Open Book

Frequently Asked Questions Contact Support Roadmap Our Policies