viruses Discovery Channel School creator text xx Discovery Communications, Inc c2004 19uu monographic eng

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Library has: v.1-Bacteria ; v.2-Cells ; v.3-Ecology ; v.4-Forensics ; v.5-Genetics ; v.6-Health ; v.7-Human biology ; v.8-Plants ; v.9-Protists and fungi ; v.10-Viruses. "With Life Science Collections CD-Roms : complete teacher's guide". Lvls 6-12 Viruses CDR 570 OR #10 050624 20140414093839.0