List of best-selling books

Columns: Book series | Author ( s ) | Original language | No . of installments | First published | Approximate sales
Nancy Drew | Various authors as Carolyn Keene | English | 175 | 1930-present | 200 million | The Railway Series | Rev . W. Awdry , Christopher Awdry | English | 42 | 1945-2011 | 200 million | San-Antonio | Frédéric Dard | French | 173 | 1949-2001 | 200 million | Robert Langdon | Dan Brown | English | 5 | 2000-present | 200 million | Diary of a Wimpy Kid | Jeff Kinney | English | 14 + 4 Spin-offs | 2007-present | 200 million | The Baby-sitters Club | Ann Martin | English | 335 | 1986-present | 172 million | Star Wars | Various authors | English | over 300 | 1977-present | 160 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