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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.

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Global Space Programs

Isaac Asimov's New Library of the Universe

Global Space Programs
ByIsaac Asimov,Francis Reddy,+1 more

1996 • 38 pages

Comet!: The story behind Halley's comet

Isaac Asimov's New Library of the Universe

Comet!: The story behind Halley's comet
ByGreg Walz-Chojnacki

1985 • 64 pages

The Future in Space

Isaac Asimov's New Library of the Universe

The Future in Space
ByIsaac Asimov,Francis Reddy,+1 more

1993 • 32 pages