instruction manual vs book of instructions

instruction manual and book of instructions both are nouns.

Word	Noun	Adjective	Verb	Adverb
instruction manual	Yes	No	No	No
book of instructions	Yes	No	No	No

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

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

Other synonyms of instruction manual include instructions, operating instructions.

instruction manual (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