Grandpa emerged from his workshop with a grin. His mysterious machine was ready! Whatever could it be?
| Author | Richard Johnson |
| Publisher | Templar Publishing |
| Year of publication | 2008 |
| Number of pages | 28 |
| Language | English |
| Format | Hardback |
| ISBN-10 | 1840116536 |
| ISBN-13 | 9781840116533 |
