The book is available in three formats:
| Feature | Tomo 1 | Tomo 2 | Tomo 3 | | |--------|--------|--------|--------|---------| | Primary Theme | Discovery | Love | Resilience | Forgiveness | | Number of Secrets | 15 | 18 | 22 | 25 | | Narrative Style | Single (Grandfather) | Single | Single | Dual (Grandfather & Grandmother) | | Interactive Elements | None | None | 1 (Map) | 5 (Letters, recipe, flower, telegram, key) | | Emotional Impact | Moderate | High | Very High | Extreme | Los Secretos De Mi Abuelo Tomo 4