What does exclusive mean with Itasca Books?
For Itasca Books, the exclusive clause in our contract means:
Itasca Books will be exclusive distributor of the publisher's titles in the United States (outside the US, you can work with any distributor—but we are your distributor in the US). This is a standard requirement for distributors.
You the publisher can still sell your books to stores, readers, etc.—you just can't have the same titles with another distributor.