Home › Authors › Betsey Dexter Dyer 👤 Betsey Dexter Dyer 5 books Books by Betsey Dexter Dyer Unseen Diversity 2008 Perl for exploring DNA 2007 A Field Guide to Bacteria (Comstock Book) 2003 A Field Guide to Bacteria (Comstock Books) 2003 The Origin of eukaryotic cells The Origin of eukaryotic cells 1985