Have you ever seen a flea up close? Readers will be able to say they have after viewing a variety of freaky flea photographs as they explore the lives of these creepy creatures. Readers may be familiar with the fleas that crawl on pets. One kind of flea spread the plague that killed more than a quarter of the European population during the Middle Ages. Readers discover this and other important facts about fleas, including what they look like and where they're found. As they read, they learn things that apply to science curriculum topics, including life cycles and parasitic relationships

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