| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| On your knees. Biblical references, religion and faith in the songs by U2 | 978-88-9332-948-4 (88-9332-948-4) | 2016 |
| On Your Knees: Riferimenti biblici religione e fede nelle canzoni degli U2 | 978-88-9332-950-7 (88-9332-950-6) | 2018 |