Greg Walz-Chojnacki

Greg Walz-Chojnacki

Greg Walz-Chojnacki has written at least 3 books. Their most popular book is Comet!: The story behind Halley's comet with 0 saves with an average rating of -⭐.

They are best known for writing in the genres Young Adult, Science fiction, and Comets.