<Table> <Tr> <Th> Author </Th> <Th> Min . estimated sales </Th> <Th> Max . estimated sales </Th> <Th> Original language </Th> <Th> Genre or title </Th> <Th> Number of books </Th> <Th> Citizenship </Th> </Tr> <Tr> <Td> Christie , Agatha Agatha Christie </Td> <Td> 2 billion </Td> <Td> 4 billion </Td> <Td> English </Td> <Td> Whodunits including the Miss Marple and Hercule Poirot series </Td> <Td> 85 </Td> <Td> British </Td> </Tr> <Tr> <Td> Shakespeare , William William Shakespeare </Td> <Td> 2 billion </Td> <Td> 4 billion </Td> <Td> English </Td> <Td> Plays and poetry </Td> <Td> 42 </Td> <Td> English </Td> </Tr> <Tr> <Td> Cartland , Barbara Barbara Cartland </Td> <Td> 500 million </Td> <Td> 1 billion </Td> <Td> English </Td> <Td> Romance </Td> <Td> 723 </Td> <Td> British </Td> </Tr> <Tr> <Td> Steel , Danielle Danielle Steel </Td> <Td> 500 million </Td> <Td> 800 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 120 </Td> <Td> American </Td> </Tr> <Tr> <Td> Robbins , Harold Harold Robbins </Td> <Td> 750 million </Td> <Td> 750 million </Td> <Td> English </Td> <Td> Adventure </Td> <Td> 23 </Td> <Td> American </Td> </Tr> <Tr> <Td> Simenon , Georges Georges Simenon </Td> <Td> 500 million </Td> <Td> 700 million </Td> <Td> French </Td> <Td> Detectives , Maigret , romans dur </Td> <Td> 570 </Td> <Td> Belgian </Td> </Tr> <Tr> <Td> Sheldon , Sidney Sidney Sheldon </Td> <Td> 370 million </Td> <Td> 600 million </Td> <Td> English </Td> <Td> Suspense </Td> <Td> 21 </Td> <Td> American </Td> </Tr> <Tr> <Td> Blyton , Enid Enid Blyton </Td> <Td> 300 million </Td> <Td> 600 million </Td> <Td> English </Td> <Td> Children 's literature , Noddy , The Famous Five , The Secret Seven </Td> <Td> 800 </Td> <Td> British </Td> </Tr> <Tr> <Td> Rowling , J.K. J.K. Rowling </Td> <Td> 450 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Harry Potter </Td> <Td> 11 </Td> <Td> British </Td> </Tr> <Tr> <Td> Seuss , Dr. Dr. Seuss </Td> <Td> 100 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Children 's literature </Td> <Td> 44 </Td> <Td> American </Td> </Tr> <Tr> <Td> Patten , Gilbert Gilbert Patten </Td> <Td> 125 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Adolescent adventures </Td> <Td> 209 </Td> <Td> American </Td> </Tr> <Tr> <Td> Oda , Eiichiro Eiichiro Oda </Td> <Td> 320 million </Td> <Td> 430 million </Td> <Td> Japanese </Td> <Td> One Piece , Manga </Td> <Td> 86 </Td> <Td> Japanese </Td> </Tr> <Tr> <Td> Tolstoy , Leo Leo Tolstoy </Td> <Td> </Td> <Td> 413 million </Td> <Td> Russian </Td> <Td> War and Peace , Anna Karenina </Td> <Td> 48 </Td> <Td> Russian </Td> </Tr> <Tr> <Td> Tellado , Corín Corín Tellado </Td> <Td> 400 million </Td> <Td> 400 million </Td> <Td> Spanish </Td> <Td> Romance </Td> <Td> 4,000 </Td> <Td> Spanish </Td> </Tr> <Tr> <Td> Collins , Jackie Jackie Collins </Td> <Td> 250 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 25 </Td> <Td> British </Td> </Tr> <Tr> <Td> Alger , Horatio Horatio Alger </Td> <Td> 200 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Dime novels </Td> <Td> 135 </Td> <Td> American </Td> </Tr> <Tr> <Td> Stine , R.L. R.L. Stine </Td> <Td> 100 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Goosebumps series , Fear Street series , horror , comedy </Td> <Td> 430 + </Td> <Td> American </Td> </Tr> <Tr> <Td> Koontz , Dean Dean Koontz </Td> <Td> 325 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Horror , thriller , science fiction , fantasy </Td> <Td> 91 </Td> <Td> American </Td> </Tr> <Tr> <Td> Roberts , Nora Nora Roberts </Td> <Td> 145 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 200 + </Td> <Td> American </Td> </Tr> <Tr> <Td> Pushkin , Alexander Alexander Pushkin </Td> <Td> </Td> <Td> 357 million </Td> <Td> Russian </Td> <Td> Plays , poetry , prose , Eugene Onegin </Td> <Td> 17 </Td> <Td> Russian </Td> </Tr> <Tr> <Td> King , Stephen Stephen King </Td> <Td> 300 million </Td> <Td> 350 million </Td> <Td> English </Td> <Td> Horror , science fiction , fantasy , It , The Shining , The Stand , Bag Of Bones , Needful Things , The Green Mile </Td> <Td> 70 </Td> <Td> American </Td> </Tr> <Tr> <Td> Coelho , Paulo Paulo Coelho </Td> <Td> 200 million </Td> <Td> 350 million </Td> <Td> Portuguese </Td> <Td> The Alchemist </Td> <Td> 28 </Td> <Td> Brazilian </Td> </Tr> <Tr> <Td> L'Amour , Louis Louis L'Amour </Td> <Td> 230 million </Td> <Td> 330 million </Td> <Td> English </Td> <Td> Western </Td> <Td> 101 </Td> <Td> American </Td> </Tr> <Tr> <Td> Gardner , Erle Stanley Erle Stanley Gardner </Td> <Td> 100
<Table> <Tr> <Th> Author </Th> <Th> Min . estimated sales </Th> <Th> Max . estimated sales </Th> <Th> Original language </Th> <Th> Genre or title </Th> <Th> Number of books </Th> <Th> Citizenship </Th> </Tr> <Tr> <Td> Christie , Agatha Agatha Christie </Td> <Td> 2 billion </Td> <Td> 4 billion </Td> <Td> English </Td> <Td> Whodunits including the Miss Marple and Hercule Poirot series </Td> <Td> 85 </Td> <Td> British </Td> </Tr> <Tr> <Td> Shakespeare , William William Shakespeare </Td> <Td> 2 billion </Td> <Td> 4 billion </Td> <Td> English </Td> <Td> Plays and poetry </Td> <Td> 42 </Td> <Td> English </Td> </Tr> <Tr> <Td> Cartland , Barbara Barbara Cartland </Td> <Td> 500 million </Td> <Td> 1 billion </Td> <Td> English </Td> <Td> Romance </Td> <Td> 723 </Td> <Td> British </Td> </Tr> <Tr> <Td> Steel , Danielle Danielle Steel </Td> <Td> 500 million </Td> <Td> 800 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 120 </Td> <Td> American </Td> </Tr> <Tr> <Td> Robbins , Harold Harold Robbins </Td> <Td> 750 million </Td> <Td> 750 million </Td> <Td> English </Td> <Td> Adventure </Td> <Td> 23 </Td> <Td> American </Td> </Tr> <Tr> <Td> Simenon , Georges Georges Simenon </Td> <Td> 500 million </Td> <Td> 700 million </Td> <Td> French </Td> <Td> Detectives , Maigret , romans dur </Td> <Td> 570 </Td> <Td> Belgian </Td> </Tr> <Tr> <Td> Sheldon , Sidney Sidney Sheldon </Td> <Td> 370 million </Td> <Td> 600 million </Td> <Td> English </Td> <Td> Suspense </Td> <Td> 21 </Td> <Td> American </Td> </Tr> <Tr> <Td> Blyton , Enid Enid Blyton </Td> <Td> 300 million </Td> <Td> 600 million </Td> <Td> English </Td> <Td> Children 's literature , Noddy , The Famous Five , The Secret Seven </Td> <Td> 800 </Td> <Td> British </Td> </Tr> <Tr> <Td> Rowling , J.K. J.K. Rowling </Td> <Td> 450 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Harry Potter </Td> <Td> 11 </Td> <Td> British </Td> </Tr> <Tr> <Td> Seuss , Dr. Dr. Seuss </Td> <Td> 100 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Children 's literature </Td> <Td> 44 </Td> <Td> American </Td> </Tr> <Tr> <Td> Patten , Gilbert Gilbert Patten </Td> <Td> 125 million </Td> <Td> 500 million </Td> <Td> English </Td> <Td> Adolescent adventures </Td> <Td> 209 </Td> <Td> American </Td> </Tr> <Tr> <Td> Oda , Eiichiro Eiichiro Oda </Td> <Td> 320 million </Td> <Td> 430 million </Td> <Td> Japanese </Td> <Td> One Piece , Manga </Td> <Td> 86 </Td> <Td> Japanese </Td> </Tr> <Tr> <Td> Tolstoy , Leo Leo Tolstoy </Td> <Td> </Td> <Td> 413 million </Td> <Td> Russian </Td> <Td> War and Peace , Anna Karenina </Td> <Td> 48 </Td> <Td> Russian </Td> </Tr> <Tr> <Td> Tellado , Corín Corín Tellado </Td> <Td> 400 million </Td> <Td> 400 million </Td> <Td> Spanish </Td> <Td> Romance </Td> <Td> 4,000 </Td> <Td> Spanish </Td> </Tr> <Tr> <Td> Collins , Jackie Jackie Collins </Td> <Td> 250 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 25 </Td> <Td> British </Td> </Tr> <Tr> <Td> Alger , Horatio Horatio Alger </Td> <Td> 200 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Dime novels </Td> <Td> 135 </Td> <Td> American </Td> </Tr> <Tr> <Td> Stine , R.L. R.L. Stine </Td> <Td> 100 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Goosebumps series , Fear Street series , horror , comedy </Td> <Td> 430 + </Td> <Td> American </Td> </Tr> <Tr> <Td> Koontz , Dean Dean Koontz </Td> <Td> 325 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Horror , thriller , science fiction , fantasy </Td> <Td> 91 </Td> <Td> American </Td> </Tr> <Tr> <Td> Roberts , Nora Nora Roberts </Td> <Td> 145 million </Td> <Td> 400 million </Td> <Td> English </Td> <Td> Romance </Td> <Td> 200 + </Td> <Td> American </Td> </Tr> <Tr> <Td> Pushkin , Alexander Alexander Pushkin </Td> <Td> </Td> <Td> 357 million </Td> <Td> Russian </Td> <Td> Plays , poetry , prose , Eugene Onegin </Td> <Td> 17 </Td> <Td> Russian </Td> </Tr> <Tr> <Td> King , Stephen Stephen King </Td> <Td> 300 million </Td> <Td> 350 million </Td> <Td> English </Td> <Td> Horror , science fiction , fantasy , It , The Shining , The Stand , Bag Of Bones , Needful Things , The Green Mile </Td> <Td> 70 </Td> <Td> American </Td> </Tr> <Tr> <Td> Coelho , Paulo Paulo Coelho </Td> <Td> 200 million </Td> <Td> 350 million </Td> <Td> Portuguese </Td> <Td> The Alchemist </Td> <Td> 28 </Td> <Td> Brazilian </Td> </Tr> <Tr> <Td> L'Amour , Louis Louis L'Amour </Td> <Td> 230 million </Td> <Td> 330 million </Td> <Td> English </Td> <Td> Western </Td> <Td> 101 </Td> <Td> American </Td> </Tr> <Tr> <Td> Gardner , Erle Stanley Erle Stanley Gardner </Td> <Td> 100
who is the biggest selling author of all time
who is the biggest selling author of all time
Agatha Christie
Agatha Christie