The Make-Believe Marriage by Susanne Ash is a captivating foray into the complex world of arranged marriages, blending traditional motifs with contemporary life struggles. Ash's novel, set against the backdrop of modern America with its interspersed old-world charm, invites readers to explore the dynamics of love, duty, and societal expectations. The narrative pivots around the life of a young woman, Amelia, who finds herself bound by the antiquated practice of a contractual marriage to Ethan, orchestrated by their business-driven families.

From the outset, the premise might remind readers of the plight of regency characters, repurposed to suit the digital age. However, Ash meticulously layers her characters, ensuring they resonate well within their beautifully crafted framework. Amelia, an art restoration specialist, is portrayed not merely as a damsel in distress but as a woman of substance, grappling with the weight of family loyalty against the whisper of her desires. Ethan, on the other hand, emerges as a complex figure, with his polished exterior hiding scars of vulnerability and an unquenchable thirst for parental approval.

Ash’s writing enchants with its eloquence and depth. The progress of Amelia and Ethan’s relationship is handled with a deft touch—slowly unraveling from guarded hostility to a grudging partnership, and finally blossoming into a genuine, if unexpected, affection. The transition from convenience to real attachment is painted with real strokes, depicting the messiness of human emotions against the necessity of compromise and growth.

A significant strength of the book lies in its secondary characters, who add layers to the lead couple’s journey. We meet people like Mrs. Harwood, Amelia’s eccentric yet insightful aunt, who provides both comic relief and sage advice. Her interventions, though amusing, often steer the principals toward deeper reflections about their predicaments. Additionally, the involvement of Alex, Ethan's younger brother who battles his own insecurities within the family empire, introduces themes of sibling rivalry and reconciliation which are compelling and poignant.

Furthermore, Ash intelligently incorporates social commentary into her narrative. The book probes the relevance and ethicality of arranged marriages in today’s society, questioning if such practices, masked as business deals, should still find a place in the modern world. This reflective undercurrent prompts readers to ponder not only the situation of the characters but broader societal norms and their personal values regarding marriage and relationships.

The plot itself, while primarily revolving around romance, does not shy away from suspense and twists. Strategic revelations about family secrets and Amelia’s past keep the pages turning, ensuring the reader’s engagement is hooked not just by romance, but by a quest for truth and identity. Moreover, Ash’s inclusion of art and restoration as a metaphor for self-discovery and healing enriches the narrative, making it not only a love story but a tale of individual transformation and resilience.

However, the novel is not without its flaws. At times, the pacing seems uneven, especially in the middle sections where the repetitive internal monologues of the protagonists can stall the momentum of the story. Some readers might find these introspections overindulgent, although they provide essential insight into character development and emotional depth. The resolution might also feel somewhat rushed, offering a conventional denouement that might not satisfy those who seek a less predictable ending.

The Make-Believe Marriage is a testament to Susanne Ash’s ability to craft relatable characters and weaves a narrative that is at once heartwarming and thought-provoking. Fans of romance will find themselves rooting for Amelia and Ethan, not just to find love, but to find themselves in the process. At the same time, anyone interested in the human condition will appreciate the novel’s exploration of duty, freedom, and the quest for authenticity in a world that often values façade over truth.

In conclusion, Susanne Ash delivers a poignant and engaging read in The Make-Believe Marriage. By combining a traditional plot with intricate character studies and philosophical inquiries, she challenges the conventions of the genre. This book is certainly a worthy shelf addition for those who appreciate romance that doesn't just entertain but also invites introspection and discussion.