This is an interesting, if somewhat dated and eccentric textbook by the man who was probably the leading chemist of the twentieth century. It is full of interesting insight, and written with real flair, so much unlike the typical textbook today produced by the textbook publishing machines.
Let me give a couple of examples, good and bad, of what makes this book interesting, but also exasperating.
The book is the only freshman chemistry text I know of that has a derivation of the Boltzmann distribution P ~ e^(-E/kT), a very basic relation in the kinetic theory of gases and in fact in all of statistical physics. The derivation is simpler than most, which makes it a real jewel especially at this level, where most people would think it doesn't belong.
On the other hand, the section on chemical bonding, which is actually where Pauling made his reputation, is very eccentric, like the author, so much so that it makes the book unsuitable as the sole text for a course. It is all based on sp3 hybrid orbitals. As far as I can tell, sp2 and sp hybrids are never mentioned. With the sp3 story, Pauling is able to account surprisingly well for some systematics of bond lengths. Whether this is fortuitous or not, I don't know, but it is interesting. On the other hand, without sp2 and sp hybrids, he is completely unable to give the standard, very simple, beautiful account of bond angles. A student learning introductory chemistry from this text who then went into organic chemistry would soon be at a disadvantage without knowing the theory of hybrid orbitals that everyone else would get from any of the standard contemporary texts.
My recommendation: use this text as a very insightful, quirky supplement. The price is certainly right.
The text that comes closest, in my opinion, in seriousness, if not eccentricity, is the contemporary text by Oxtoby and coauthors. It is too highbrow though for most college introductory chemistry courses.