Spyhole secrets /
Zilpha Keatley Snyder.
- New York : Dell Yearling, 2002, c2001.
- 186 p. ; 19 cm.
When Hallie and her mother move to a new town after her father's sudden death, Hallie begins to spy on a troubled family living in a nearby building and her involvement helps her begin to handle her feelings of anger and grief.