Sonia’s Book is an item in the “Plot advancement” category (Key Items).
In-game descriptions
| Sword / Shield | Professor Sonia’s published writings. Her new discoveries about the Galar region’s legends are recorded in this enjoyable read. |
|---|
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h