In 2000, the creators sold the site to iTurf Inc. The following year, Barnes & Noble purchased SparkNotes and selected fifty literature study guides to publish in print format. When Barnes & Noble printed SparkNotes, they stopped selling their chief competitor, CliffsNotes.
In January 2003, SparkNotes developed a practice test service called SparkNotes Test Prep. This project was followed by the release of SparkCharts, reference sheets that summarize a topic; No Fear Shakespeare, transcriptions of Shakespeare's plays into modern language; and No Fear Literature, transcriptions of literary classics like The Adventures of Huckleberry Finn and The Scarlet Letter into modern language.
Other features 
SparkNotes Test Prep provides content and services related to the ACT, and AP, GRE and PSAT/SAT I and II standardized tests. Barnes & Noble sells printed versions of the test prep study guides, as well as SparkCharts and other printed study materials, in the United States and at Chapters in Canada.
The SparkNotes.com website also includes a section students can use to search for colleges.
SparkNotes has moved into educational publishing with books, such as Poetry Classics and FlashKids, a series of educational books for K-8 students. They also provide exercises for high school…