From the third review hyperlink (first two are dead): https://amca01.wordpress.com/2009/10/03/book-review-a-computational-introduction-to-number-theory-and-alg

From the third review hyperlink (first two are dead): https://amca01.wordpress.com/2009/10/03/book-review-a-computational-introduction-to-number-theory-and-algebra-by-victor-shoup-2nd-ed/ https://amca01.wordpress.com/2009/10/03/book-review-a-comput... "Although the text requires not much specific mathematical background, I would hesitate to use it except in an advanced class, or for students whose mathematical ability was already high. The material moves swiftly – while never compromising rigour – and the multiple strands assume considerable ability on the part of the reader." Math textbooks must be reviewed by an expert; yet it's impossible for an expert to see them as a beginner would. If they can see it's difficult for a beginner, it definitely is...