cookbook vs book of facts

cookbook and book of facts both are nouns.

Word	Noun	Adjective	Verb	Adverb
cookbook	Yes	No	No	No
book of facts	Yes	No	No	No

As nouns, book of facts is a hypernym of cookbook; that is, book of facts is a word with a broader meaning than cookbook:

Other hypernyms of cookbook include reference, reference book, reference work.

cookbook (noun)	book of facts (noun)
a book of recipes and cooking directions	a book to which you can refer for authoritative facts