Editions 2
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | The Trouble Twisters | Panther Books | Paperback | English | .UK | 1963 | |
 | Het driekantige wiel | Uitgeverij Gradivus B.V. | Paperback | Dutch | Den Haag (NL) | 1966 |
| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
| The Trouble Twisters | Panther Books | Paperback | English | .UK | 1963 | |
| Het driekantige wiel | Uitgeverij Gradivus B.V. | Paperback | Dutch | Den Haag (NL) | 1966 |