Data can be downloaded to be used with the book:
This yielded a 1.6G zip file:discover_qgis3_second_edition_data.zipI unzipped this into /Projects/QGIS/Discover, only to discover that it yields 5 more zip files. These may be unzipped (one by one) in that directory, as they contain/create their own subdirectories, yielding:
tom@trona:/Projects/QGIS/Discover$ ls -l drwxr-xr-x 7 tom tom 4096 Apr 8 2019 Part_1_Introduction_to_Geospatial_Technology drwxr-xr-x 8 tom tom 4096 Jun 8 2022 Part_2_Spatial_Analysis drwxr-xr-x 8 tom tom 4096 Jun 8 2022 Part_3_Data_Acquisition_and_Management drwxr-xr-x 7 tom tom 4096 Jul 25 2022 Part_4_Cartographic_Design drwxr-xr-x 11 tom tom 4096 May 13 2022 Part_5_Advanced_Data_Visualization
Tom's Geology Info / tom@mmto.org