Apples Never Fall (by Liane Moriarty)

(Amazon UK link) I very much liked the first few books I read by the Australian author Liane Moriarty, so put a couple more on my wishlist. I was given ‘Apples never fall’ for my birthday a year ago; for some reason I didn’t start it until last weekend, but I finished it in just three days despite it being quite a long novel close to 500 pages). 
The story involves the disappearance of a woman in her sixties called Joy. She’s married to Stan, and they have four adult children: Amy, Logan, Troy and...