This is the 2259th most frequent German word.
ganzes
"Ganzes" in English means "whole" or "entire."
Here, 'ganzes' is used as an adjective (in the declined form 'ganze') modifying 'Buch', indicating that it refers to the entirety of the book.
Das ganze Buch ist faszinierend.
The whole book is fascinating.
In this sentence, 'ganzes' modifies 'Leben', meaning the complete span of one's life, emphasizing entirety.
Ich habe mein ganzes Leben in dieser Stadt verbracht.
I spent my whole life in this city.
'Ganzes' modifies 'Sichtweise', denoting the comprehensiveness of the perspective that was changed.