There are 2 books in the Dreamhunter Duet series. The newest book is Dreamquake which came out in 2007.

Laura comes from a world similar to our own but for one difference: The Place. An unfathomable land filled with dreams of every kind and invisible to all but a select few: the Dreamhunters. Treated as celebrities, the Dreamhunters catch larger-than-life dreams and relay them to audiences in the magnificent…
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2
Dreamquake

Book cover of Dreamquake
The dreamhunting began as a beautiful thing, when Tziga Hame discovered that he could enter the Place and share the dreams he found there with other people. But Tziga Hame has disappeared and Laura, his daughter, knows that the art of projecting dreams has turned sour. On St. Lazarus's Eve,…