- Original title: Sirli, Siim and the Secrets
- Illustrator: Ilmar Trull
- Translator: Boris Tuch
- Language: Russian
- KPD Kirjastus
- 2008, 184 pp
- ISBN: 9789985899571
- fiction, storybook
- Age: 10+
Сирли, Сийм и секреты = Sirli, Siim ja saladused (Sirli, Siim and the Secrets)
