. . . . . . "Electronic books"@en . . "Literature Guides Created by Harvard students for students everywhere, SparkNotes is a new breed of study guide: smarter, better, faster. Geared to what today's students need to know, SparkNotes provides: *Chapter-by-chapter analysis *Explanations of key themes, motifs, and symbols *A review quiz and essay topics Lively and accessible, these guides are perfect for late-night studying and writing papers"@en . "Walden Two (SparkNotes Literature Guide)"@en . "STUDY AIDS / Book Notes (see also JUVENILE NONFICTION / Study Aids / Book Notes)" . .