The First Nancy Drew Book: the __ of the Old Clock
This page is the CodyCross answer for the clue below from Space Exploration, Group 916, Puzzle 3 (Scientific Research).
Question is: The First Nancy Drew Book: the __ of the Old Clock
and the answer is: SECRET
Word Meaning:
SECRET — (countable) A piece of knowledge that is hidden and intended to be kept hidden.
Definitions from Wiktionary.