There are 3 books by Elizabeth Nix on BookOrb. A strong starting point is Why don't you .. (1996). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Elizabeth Nix written?
BookOrb lists 3 books by Elizabeth Nix.
Where should I start with Elizabeth Nix?
A good starting point is Why don't you .. (1996).
What is the Elizabeth Nix books in order list?
In publication order: 1. Why don't you .. (1996), 2. What to do if a bird flies in the house and 72 other things you ought to know by now (2003), 3. What to Do If a Bird Flies in the House (2003).