Project Gutenberg 1999-07-01 Public domain in the USA. 300 Groner, Auguste 1850 1929 Groner, Augusta Kopallik, Auguste Colbron, Grace Isabel 1869 1943 Colbron, Grace I. (Grace Isabel) The Case of the Registered Letter In Joe Muller: Detective, Being the Account of Some Adventures in the Professional Experience of a Member of the Imperial Austrian Police Produced by An Anonymous Project Gutenberg Volunteer, and David Widger "The Case of the Registered Letter" by Auguste Groner is a work of crime fiction written in the early 20th century. The book follows the story of Joseph Muller, a secret service detective in the Imperial Austrian police, as he investigates the murder of John Siders, a man who has been found dead under suspicious circumstances. The narrative explores themes of innocence, justice, and the complexities of human relationships, particularly against the backdrop of a wrongful accusation. The plot centers around Albert Graumann, who is accused of murdering Siders, with evidence against him appearing compelling at first glance. However, his devoted aunt believes he is innocent and seeks help from Detective Muller. As Muller delves into the case, he uncovers layers of deception, revealing that Siders may have orchestrated his own death to frame Graumann—a complex revenge rooted in past grievances. The story unfolds as Muller gathers information, leading to the discovery of a critical letter that ultimately clarifies the true events surrounding Siders' death, exonerating Graumann and revealing deeper insights about the motivations of those involved. The book not only provides a gripping mystery but also raises questions about morality, justice, and the human condition. (This is an automatically generated summary.) Reading ease score: 79.9 (7th grade). Fairly easy to read. en Fiction Detective and mystery stories PT Text Category: Crime, Thrillers and Mystery 120233 2025-12-01T10:56:15.244031 text/html 120207 2021-01-27T17:41:39 text/html; charset=utf-8 39978 2021-01-27T17:41:39 text/html; charset=utf-8 application/zip 112582 2025-12-01T10:56:20.107015 application/epub+zip 112815 2025-12-01T10:56:17.696029 application/epub+zip 110640 2025-12-01T10:56:16.657089 application/epub+zip 209311 2025-12-01T10:56:21.930046 application/x-mobipocket-ebook 199800 2025-12-01T10:56:19.489022 application/x-mobipocket-ebook 167584 2022-09-01T12:31:26.598018 application/x-mobipocket-ebook 102804 2025-12-01T10:56:14.964036 text/plain; charset=us-ascii 102778 2016-10-14T13:33:20 text/plain; charset=utf-8 37925 2016-10-14T13:35:20 text/plain; charset=utf-8 application/zip 101659 2016-06-29T06:14:36 text/plain; charset=us-ascii 37761 2016-06-29T06:15:14 text/plain; charset=us-ascii application/zip 20920 2025-12-01T10:56:22.172006 application/rdf+xml 11550 2025-12-01T10:56:17.144037 image/jpeg 2844 2025-12-01T10:56:16.902034 image/jpeg 109796 2025-12-01T10:56:15.254037 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia