John-Henry Keenan

Promising start for a Catholic children’s mystery series

Mark Guiney’s debut introduces Gloria Treddle, a spirited young sleuth whose adventures combine humour, moral clarity and the familiar world of Catholic school life

John-Henry KeenanMay 24, 2026

subscribe to the catholic herald today

Our best content is exclusively available to our subscribers. Subscribe today and gain instant access to expert analysis, in-depth articles, and thought-provoking insights—anytime, anywhere. Don’t miss out on the conversations that matter most.