The original CliffsNotes study guides offer expert commentary on major themes, plots, characters, literary devices, and historical background. The latest generation of titles in this series also features glossaries and visual elements that complement the classic, familiar format. CliffsNotes on Beowulf takes you into the epic story of warriors and strange beasts. Beowulf is considered to be the longest and greatest surviving Anglo-Saxon poem. Some see it as an early celebration of Christianity.