List of best-selling books

Columns: Book series | Author ( s ) | Original language | No . of installments | First published | Approximate sales
Harry Potter | J. K. Rowling | English | 7 + 8 supplements | 1997-present | 500 million | Goosebumps | R. L. Stine | English | 62 + spin-off series | 1992-present | 350 million | Perry Mason | Erle Stanley Gardner | English | 82 + 4 short stories | 1933-1973 | 300 million | Berenstain Bears | Stan and Jan Berenstain | English | over 300 | 1962-present | 260 million | Choose Your Own Adventure | Various authors | English | 185 | 1979-1998 | 250 million | Sweet Valley High | Francine Pascal and ghostwriters | English | 400 | 1983-2003 | 250 million | Noddy | Enid Blyton | English | 24 | 1949-present | 200 million

Example questions:
Who created the best-selling book series by the writer 's name is the pseudonym of the authors ? | How many languages has the best-selling book series been published in by the `` Stephen King of children 's literature `` ? | What is the name of the main character of the best-selling book series written by the creator of the child-oriented website Poptropica ? | What was the release date of the best-selling book series by a former researcher and bilingual secretary for Amnesty International ? | When was the writer born whose best-selling book series is published by Sweet Cherry Publishing in the UK ?

Answers:
Edward Stratemeyer | thirty-two | Greg Heffley | 26 June 1997 | 1958