operating instructions vs book of instructions

operating instructions and book of instructions both are nouns.

Word	Noun	Adjective	Verb	Adverb
operating instructions	Yes	No	No	No
book of instructions	Yes	No	No	No

As nouns, operating instructions and book of instructions are synonyms defined as:

operating instructions and book of instructions: a manual usually accompanying a technical device and explaining how to install or operate it

Other synonyms of operating instructions include instruction manual, instructions.

operating instructions (noun)	book of instructions (noun)
a manual usually accompanying a technical device and explaining how to install or operate it	a manual usually accompanying a technical device and explaining how to install or operate it