Alternate cover edition can be found here

A HAPPY MARRIAGE. TERRIBLE SECRETS.

Happily married Lexi Woods thought losing a child would be the worst thing that could ever happen to her. She was wrong. It turns out that life has more ugly surprises for her.

When she is finally through the heavy depression of losing her newborn, she finds her husband’s diary. As she reads it, she learns that he’s been unfaithful to her. He’s not at all the man she thought he was. Unfortunately, that’s not the worst part. Not only has the love of her life gone behind her back -- but it also looks like he killed his mistress...

What else could he be hiding?