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.
Series
1 released bookAuthored 16% of series
Isaac Asimov's New Library of the Universe is a 19-book series first released in 1967 with contributions by Isaac Asimov, Richard Hantula, and 2 others.
Series
20 primary booksAuthored 5% of series
Isaac Asimov's Library of the Universe is a 20-book series with 20 primary works first released in 1967 with contributions by Isaac Asimov, Richard Hantula, and 2 others.
