- Original title: Sirli, Siim and the Secrets
- Illustrator: Elena Kulikova
- Translator: Danutė Sirijos Giraitė
- Language: Lithuanian
- 2010, 157 pp
- ISBN: 9786094010842
- Age: 10+
- fiction, storybook
For more information or copyrights, please contact ulla.saar@elk.ee