The Daffodil Mystery by Edgar Wallace

When a wealthy philanthropist is found murdered in a London park, with a bunch of daffodils by his side, Inspector Jack Tarling is called in to investigate. Suspects include a mysterious Chinese associate and a young woman with a tragic past. As Tarling unravels the case, he uncovers a complex web of secrets, blackmail, and revenge. The daffodils become a symbolic clue in a twisting tale of hidden identities and motives. It’s a tightly plotted detective story with international intrigue.