Searching for " Gravity Falls Diario 1 PDF español Internet Archive
If you are looking for physical copies of official books in Spanish, they are often available through major retailers: Gravity Falls: Diario 3 : Available at Amazon.es and MercadoLibre El Libro de Bill (The Book of Bill)
La calidad varía enormemente. Algunos son muy profesionales:
Cryptography and Ciphers: The Diario contains several cryptograms, ciphers, and cryptic messages that require decoding. These ciphers range from simple substitution ciphers to more complex encryption methods.