This is a great book, really two love stories spanning two generations set in North Borneo (WWII, now Malaysia), Vancouver and The Netherlands. It is a compelling story of secrets and sorrows of the past, and grief and loss (a phrase: “ routine .. to keep their thoughts contained”). This may be the only time I have recommended two books by the same author in a single month.
https://www.goodreads.com/book/show/474662.Certainty?from_search=true

A fierce story of Mala, a multi-layered individual: fiercely protective of her sister after her mother leaves; driven to murder by sexual abuse by her father; an interesting issue of her sanity when she is institutionalized. A
This is a heartbreaking story of Cambodia in the 1970s, horrors that persist two decades later in Canada. A haunting phrase: “Hunger was erasing my being”; reality becomes blurred in such horrible circumstances. Thien was at 

One of the best features of this book is the setting: New York and more specifically Coney Island in Brooklyn in 1911. The “museum” is really an exhibit of freaks of nature, both living and dead, most faked/manipulated. The Professor character is wonderfully wicked, but love wins out. Part of the story is a mystery, to add to the flavour.