Linda L. · Linda Lewkowicz · Linda Luckhaus
| title | ISBN-13 | year of publication |
|---|---|---|
| Hello Ruby: Adventures in Coding | 978-1-250-06500-1 | 2015 |
| Hello Ruby. Avventure nel mondo del coding. Ediz. a colori | 978-88-590-1294-8 | 2017 |
| Hello Ruby: Expedition to the Internet | 978-1-250-19599-9 | 2018 |
| Hello Ruby: Journey Inside the Computer | 978-1-250-06532-2 | 2017 |