Any Nook Or Cranny Meaning

(idiomatic) Any part of a place; anywhere.

Example: This book could be in any nook or cranny of the house.
1893, David George Ritchie quoting Andrew Seth, Hegelianism and Personality, 2nd ed. (1893; 1st ed. 1887), note p. 213 edition, quoted in Darwin and Hegel, published 1893, chapter "II. Darwin and Hegel", note 1, page 72:
  An absolute system cannot afford to leave any nook or cranny of existence unexplored.