The novel switches from present day to 20 years prior, tying events of the past to the adults those events ultimately shape. Marks juggles past and present flawlessly. Every chapter left me wanting to know more. It Comes In Waves is a rewarding and heartwarming novel about love in its many expressions, parental, romantic, and friendly, with the perfect number of happy endings to make the journey satisfying without becoming saccharine.
Despite my love for the majority of the book, my final opinion was slightly compromised by the lack of closure in what I felt was the key relationship in the novel. Still a worthwhile read that I enjoyed immensely.
You will find an official plot line description at: https://www.goodreads.com/book/show/18693668-it-comes-in-waves.