Most UK and Australian universities have purchased an institutional eBook license. Log into your library’s website and search for the title. The “fix” is using your institutional login (Shibboleth/OpenAthens) to download a chapter-by-chapter PDF or read online.
When we type that query, we are looking for a map. But a textbook is not the territory. The territory is the primary school. It is the paint-stained tables, the lost teeth, the tears over fractions, and the sudden, blinding light in a child's eyes when they finally understand.
This is one of the most frustrating problems. You click on a PDF attachment in Google Classroom, and it refuses to open, displaying an error.