Author Information
Nils Olof Franzen's Latest Book

Newest Release

  • Bibliography:
    11 Books
  • First Book:
    April 1970
  • Latest Book:
    June 2022
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Book List in Order: 11 titles



  • Agaton Sax faces one of the most challenging cases of his career when a secretive and evil mastermind steals Scotland Yard's Register of Current Criminals from under the very nose of Inspector Joshua Lispington. To get it back, Agaton will need to em...



  • Frankly, Agaton Sax should know better than to go on vacation. At least, this time, he's managed to enjoy some rest and relaxation without stumbling into a criminal conspiracy. On the way home however, it's a different story... from a slow train thro...



  • Agaton Sax is Sweden's greatest detective and has solved more than his fair share of difficult cases. But when two men arrive at his office asking for help, Agaton knows that he'll really have his work cut out - particularly because they appear to be...



  • When taking a well-deserved holiday in the beautiful country of Brosnia, Agaton Sax and his faithful dachshund find themselves on the wrong side of the law when the great detective is declared to be an imposter and arrested. Meanwhile, a gang of crim...



  • Thanks to Agaton Sax's incredible investigation abilities, a plot to poison Scotland Yard's Inspector Lispington is foiled and an attack on the detective's own home ends up with the capture of two crooked criminals. But where did the criminals come f...



  • There are not many cases, even in the files of Agaton Sax, that involve ancient art, devious dentistry, false Frenchmen and a temporary tooth. The story of the Colossus of Rhodes, however, is one of them. Left giddy by a hefty dose of anaesthetic aft...



  • When a world-renowned artist approaches Agaton Sax and asks to have his daily illustrations featured in the Byköping Post (the world's smallest newspaper, but also the best) the detective's interest is piqued. Could the detailed patterns and swirls ...



  • Agaton Sax returns to fight his biggest criminal plot yet! Upon receiving a mysterious telegram during breakfast, Agaton soon finds himself searching to uncover the enigma around it. But it's not just one criminal mastermind behind this confounding c...



  • The Boss is back... and he's brought his Big Brother with him! With his hidden microphones and numbered gang members, the devious criminal mastermind known only as "the Boss" has broken out of prison and has been working hard behind the scenes to top...






  • Agaton Sax, private detective and editor of the world's smallest newspaper (but also the best) loves a good trick. Mind you, a brain like his is pretty hard to fool. So when conjurors extraordinaire the Marvellous Max Brothers come to Byköping just ...



  • Agaton Sax returns to fight his biggest criminal plot yet! Upon receiving a mysterious telegram during breakfast, Agaton soon finds himself searching to uncover the enigma around it. But it's not just one criminal mastermind behind this confounding c...


Frequently Asked Questions (FAQ)

Nils Olof Franzen has published 11 books.

Nils Olof Franzen does not have a new book coming out soon. The latest book, Agaton Sax and the Cashless Billionaires, was published in June 2022.

The first book by Nils Olof Franzen, Agaton Sax and the Scotland Yard Mystery, was published in April 1970.

No. Nils Olof Franzen does not write books in series.