Natural Selection, authored by Elin Hilderbrand, stands as a compelling addition to her repertoire, weaving intricate personal dramas against the richly detailed backdrop of Nantucket. Hilderbrand, known for her potent renderings of familial and romantic relationships amidst picturesque settings, delivers yet again with a narrative that is both engaging and thought-provoking, offering her readers a deep dive into the complexities of life's evolutionary choices.

The novel introduces us to the life of Meredith Delinn, a woman caught in the whirlwind of social tragedy. Her husband Freddy's financial nefarious activities, reminiscent of a Bernie Madoff scandal, thrust Meredith from opulence to social pariah overnight. The tale Hilderbrand crafts is not just about the scandal, but about the intricate emotional decisions that follow in its wake — a fitting homage to the title Natural Selection.

Meredith's character is beautifully written, rich with complexity and vulnerability. Hilderbrand allows the reader to delve deep into her psyche, exploring themes of loyalty, betrayal, and redemption. The social ostracism Meredith faces is depicted with poignant realism, reflecting the all-too-human behavior when confronted with a collective enemy. Her lifelong friend, Connie, becomes her sanctuary, providing not only a physical escape by whisking Meredith away to a cottage in Nantucket but also emotional solace. This relationship is portrayed with an authenticity that speaks to Hilderbrand's skill in capturing the nuances of female friendships.

The author's narrative prowess shines as she examines the repercussions of Freddy’s crimes on his family, especially focusing on how Meredith and her children navigate the unforeseen hardships. The dual narrative of Meredith’s present and flashbacks to her extravagant past life offers a sharp contrast that is both engaging and stirring. It forces the reader to consider how the past continuously molds our present decisions — a subtle nod to the evolutionary underpinnings suggested by the title.

Throughout the novel, the setting of Nantucket is more than just a beautiful backdrop; it serves as a catalyst for Meredith’s introspection and transformation. The vivid descriptions of the island, from the crashing waves to the serene beaches, parallel the turmoil and calm in Meredith’s life. Hilderbrand’s skill in setting description is unparalleled, making the environment an integral part of the story that enhances the emotional gravity of the narrative.

Additionally, Natural Selection probes into the notion of survival in a modern world brimming with both technological and personal challenges. Through Meredith’s journey, Hilderbrand explores how individuals adapt to adverse conditions, redefining themselves in the process. The evolutionary theme is cleverly tied into every character’s development, showing that adaptation and survival are continuous and dynamic processes.

The novel is not without its romantic elements. Meredith’s encounter with a past love adds a layer of complexity to her already tumultuous life. This subplot is tactfully woven into the main narrative, providing a poignant exploration of love under extraordinary circumstances. Hilderbrand manages to balance the romantic developments without overshadowing the novel’s broader themes of personal growth and resilience.

Despite its many strengths, the book might not escape criticism regarding the pace, which may seem sluggish to some readers, especially in the middle sections where the introspective character studies dominate the plot advancement. However, those who appreciate depth and detail in character development will find this pacing deliberate and rewarding.

In conclusion, Natural Selection by Elin Hilderbrand is a thoughtfully crafted novel that remarkably captures the essence of human resilience and adaptability in the face of life-changing challenges. Through the lens of Meredith Delinn’s life, the novel invites readers to ponder profound questions about family, friendship, and the inherent instinct for survival. Hilderbrand’s masterful combination of beautiful settings, complex characters, and an engaging plot reaffirms her status as one of the contemporary masters of women’s fiction. Readers looking for a story that beautifully blends emotional depth with compelling storytelling will find Natural Selection a gratifying read.