It is in a back bedroom where retired teacher and elementary school librarian Ruth Ann Crouch keeps children’s books and countless toys and dolls representing characters among their pages.It’s in that bedroom, now dubbed the “Critters’ Room,” that Crouch displays her countless story books, along with some books for adult readers.It’s there, once her childhood bedroom, where books and toys depicting Cat in the Hat, Raggedly Ann and Andy, Peter Rabbit and Mother Goose now reside. They’re neighbors of an Anne of Green Gables doll and a Paddington Bear, the smaller stuffed cloth characters from “Where the Wild Things Are,”