What does "crack around the door" mean?

Can I use "crack around the door" in the following situation? If I am wrong, could you give me the correct expression? Thank you.

The door of Dad's room was half-open. Through the crack around the door, the wind came in and blew the book shut, then open.

Solution 1:

Yes, the meaning of crack may refers to the narrow space of a door left ajar, but as suggested, through the doorway may be a better choice:

• A slight narrow space, a fissure.
  • The window was open a crack.

• Through the crack in the door (slight opening) suggests that the door had a crack in it.

Note also the expression:

Crack the door:

• to open the door (open) and crack the window (open) to open the door or window a very small amount.

  • I cracked open the door to peek out. Just crack the window a bit to let air inside.