Strictly to the Rules
This page is the CodyCross answer for the clue below from House of Horrors, Group 1111, Puzzle 5 (Scary Monsters).
Question is: Strictly to the Rules
and the answer is: BYTHEBOOK
Word Meaning:
BY THE BOOK — (idiomatic) In a manner which strictly adheres to rules, legal requirements, or official procedures.
Definitions from Wiktionary.