As a young man, William Lang worked as a gardener at the old college of Glasgow University but he has spent most of his subsequent life as a printer and bookseller in the growing city of Glasgow. When the novel begins, in the mid 1800s, he is in his seventies, widowed and living with his grown-up family. He has just received a parcel containing a book called the Scots Gard’ner, as well as a handwritten journal. With these volumes comes a letter saying that they were left to him by Thomas Brown, a gentleman who has recently died at his country house in Ayrshire. So many years later, the unexpected legacy of the books reminds William of his youth when he and Thomas became unlikely friends. The memories come flooding back. Some of this is based on truth. There was a gardener in Glasgow called William Lang. There was a nineteenth century lecturer in botany at the old college of Glasgow University whose name was Thomas Brown. It is clear from surviving correspondence that the two men, who were not very far apart in years, struck up a friendship. It is also clear that Thomas valued the work William did in collecting plant specimens for him. Later, when William found himself struggling to cope with a polluted garden and the necessities of providing for a widowed mother and younger siblings, Thomas Brown helped him as far as he could. The printed books mentioned are real. But the rest is entirely fictional.

    His investigation proves difficult when the neighborhood's Yiddish-speaking residents are reluctant to talk. But when the rabbi's headstrong daughter, Rivka, unexpectedly offers to help Hanley find her father's killer, the detective receives much more than the break he was looking for. Their pursuit of the truth draws Rivka and Hanley closer together and leads them to a relief organization run by the city's movers and shakers. Along the way, they uncover a web of political corruption, crooked cops, and well-buried ties to two notorious Irish thugs from Hanley's past. Even after he is kicked off the case, stripped of his badge, and thrown in jail, Hanley refuses to quit. With a personal vendetta to settle for an innocent life lost, he is determined to expose a complicated criminal scheme, not only for his own sake, but for Rivka's as wel