My heart goes out to you, it's a horrible feeling. I really hope she comes home soon. Ratty disappeared, highly out of character, about two months ago, overnight for more than 24 hrs. Someone suggested putting clothes which still smelt of me and my partner outside on the patio and leaving them there, which I did. It may be coincidence, but Ratty crept back in an hour later or so. I guess it's worth a try. I was prepared to leave a pile of clothes out for days