Secrets of Echo Moon — Jill Giencke

Susan Holmes, a rare-book specialist, jumps at the chance to catalog Andrew Claytons ancient family library. When she arrives at the remote estate on Lake Michigan, she gets the feeling that she's not entirely welcome. And a warning note in her bedroom confirms her suspicion. On an excursion to the mainland, Susan discovers a merchant selling a valuable book that belongs to the Clayton collection. Now that she knows why she's been warned away, she must find out who is responsible and on Echo Moon Island, it can prove fatal to judge a book by its cover.

As a rare-book specialist, Susan Holmes jumps at the chance to catalog Andrew Clayton's ancient family library. But when she arrives at his estate on the remote Lake Michigan island, she gets the feeling that she's not entirely welcome--and a warning note in her bedroom gives her proof in black and white.

On an excursion to the mainland, Susan discovers a local merchant selling a valuable book that belongs in the Clayton collection. Now she knows why someone wants to get ride of her; the real mystery is who? When she confides her suspicions to Richard McDownell, the attractive antiques dealer who is restoring the house, he says he is missing things too, but, with his knowledge and experience, he could be the thief. In fact, none of the residents really seem capable of harboring such sinister secrets, but Susan does know one thing--on Echo Moon Island, it can prove fatal to judge a book by its cover...