"The Roman hat mystery," bearing the intriguing subtitle "A problem in deduction," is a foundational work in classic detective fiction from the celebrated author Ellery Queen. This timeless mystery invites readers into a meticulously crafted police investigation, set against the bustling backdrop of New York City. At its heart, this novel is a brilliant exercise in logical reasoning and astute observation. Ellery Queen, renowned for intricate plots, presents a perplexing crime that challenges both the fictional detectives and the reader to unravel its secrets through pure deduction. The narrative weaves through the complex dynamics of police work, involving characters from various walks of life, including novelists and figures whose relationships often involve fathers and sons. Every twist and turn serves to deepen the enigma, demanding close attention as the truth slowly emerges. As a quintessential police procedural and traditional mystery, "The Roman hat mystery" delves into the painstaking work of an official investigation. It showcases the detailed efforts involved in solving a high-stakes case. For aficionados of the genre, this meticulously prepared print edition offers an enduring journey into a world where intelligence and wit are the ultimate tools for uncovering justice.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.