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.
Isaac Asimov's New Library of the Universe
Global Space Programs
ByIsaac Asimov,Francis Reddy,+1 more
1996 • 38 pages
Isaac Asimov's New Library of the Universe
Comet!: The story behind Halley's comet
ByGreg Walz-Chojnacki
1985 • 64 pages
Isaac Asimov's New Library of the Universe
The Future in Space
ByIsaac Asimov,Francis Reddy,+1 more
1993 • 32 pages