Uploader:  orangera1n 
Upload date: 12/20/2025
Source:  betawiki discord - gus33000
Notes: Book4.7z parts are MTEOS variants

File Info from 7zip:

Name: Book4.7z.001
Size: 2147483648 bytes : 2048 MiB
SHA1: 01b1a88c79063db92899ee518ed4f1d185166f1d
Name: Book4.7z.002
Size: 2147483648 bytes : 2048 MiB
SHA1: 46c937c9cbe6c5c14e0900205975fcdbf38b647b
Name: Book4.7z.003
Size: 2147483648 bytes : 2048 MiB
SHA1: f6d8c6b569f0a381371e23a2ec2f4c8c05ec3186
Name: Book4.7z.004
Size: 84742838 bytes : 80 MiB
SHA1: 995fac21c4f11821d830f28dbde9efd4bcd6177a