Margery Facklam ; Howard Facklam Related books Bacteria (Invaders) Lerner Pub Group • 1997 Healing Drugs: The History of Pharmacology (Facts on File Science Sourcebooks) Facts on File • 1992 Insects (Invaders) Lerner Pub Group • 1997 Parasites (Invaders) Lerner Pub Group • 1997 Spare Parts for People Harcourt Childrens Books • 1987 Viruses (Invaders) Lerner Pub Group • 1997