Question about a book by Caroline b Clooney?

Ok Caroline B. Clooney wrote a book Called the face on the Milk Carton, that then ties into the book Whatever Happened to Janie, Then there is The voice on the radio. Can you tell me on that serious is there a book that comes after the voice on the radio..because I cant find it but it just seems like there would be another one. Please let me know if you find out. First one to answer and let me know something gets ten points thanks

Question about a book by Caroline b Clooney?
yes there is What Janie Found it's a really good series btw glad someone else is enjoying them. ;}