A safe home at last?

Ruby Holler by Sharon Creech was comforting, amusing, and touching.  Dallas and Florida are 13-year-old twins and orphans.  They've had a rough life, being shuffled between absolutely awful foster homes and the equally terrible Boxton Creek Home for Children, run by the Trepids.  It was no surprise that the twins didn't expect anything good at their new (temporary, of course) home with elderly Sairy and Tiller, but the couple's gentle care and the beautiful, rolling countryside of Ruby Holler start to win the children over.  As Florida and Tiller prepare for a boat trip and Dallas and Sairy get ready for a bird-watching expedition, they don't know that nasty Mr. Trepid and the mysterious "Z" have something planned that could ruin their futures....