| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Portrait of a Shelter | 978-0-340-17893-5 (0-340-17893-0) | 1973 | 
| Practical Praying | 978-0-8028-4233-6 (0-8028-4233-X) | 1997 | 
| Sacred Doorways: A Beginner's Guide to Icons | 978-1-55725-307-1 (1-55725-307-2) | 2002 | 
Eerdmans · Hodder & Stoughton · Paraclete Press