The Agathas by Kathleen Glasgow and Liz Lawson

Last summer, Alice Ogilvie’s basketball-star boyfriend Steve dumped her. Then she disappeared for five days. She’s not talking, so where she went and what happened to her is the biggest mystery in Castle Cove. Or it was, at least. But now, another one of Steve’s girlfriends has vanished: Brooke Donovan, Alice’s ex–best friend. And it doesn’t look like Brooke will be coming back. Enter Iris Adams, Alice’s tutor. Iris has her own reasons for wanting to disappear, though unlike Alice, she doesn’t have the money or the means. That could be changed by the hefty reward… Read more.