Гастон Леру (1868-1927) is the French writer one of founders of detective genre. His novels conquered enormous popularity legally, and a detective-amateur Joseph Рультабий with reason is considered the prototype of whole pleiad of legendary heroes of private criminal investigation. The professional legal and reporter past allowed to Гастону Леру to become one of the strongest rivals famous Конан Дойла.Published in this volume a novel "Secret of yellow room" acquaints reader with Joseph Рультабием, hero of whole series of detectives. Who did encroach upon life of beautiful woman Matilda, daughter of the known professor Станжерсона? Which are reasons of crime? And most important, how was a criminal able to get in close from within room? On these questions the best detectives are called to answer at the head with famous inspector Ларсаном. But only reporter Рультабию occurs to to work in the past victims. Being convinced, that at old sins long shadows, and insoluble riddles are not, a detective-journalist intends to throw light truth on this shady affair.