. . . . "Electronic books"@en . . "SparkNotes Philosophy Guides are one-stop guides to the great works of philosophy-masterpieces that stand at the foundations of Western thought. Inside each Philosophy Guide you'll find insightful overviews of great philosophical works of the Western world."@en . "Gorgias (SparkNotes Philosophy Guide)"@en . "STUDY AIDS / Book Notes (see also JUVENILE NONFICTION / Study Aids / Book Notes)" . . . .