Sage Advice, authored by Sandra Carmel, delves into the intricate tapestry of human experiences through the lens of its protagonist, Audrey Fields. The narrative, embedded in contemporary settings, resonates with themes of self-discovery, resilience, and the timeless quest for wisdom. Carmel, known for her eloquent prose and deep character exploration, continues to engage and provoke thought in her latest offering, ensuring that readers find both entertainment and existential echoes in Audrey's journey.

At the outset, the book introduces us to Audrey Fields, a mid-level marketing executive whose life is as ordinary as one could imagine. This ordinariness, however, is what makes Audrey's story so relatable and poignant. Her struggles are not against fantastical foes but against her mind's manacles - indecision, regret, and the relentless pursuit of something seemingly just out of reach. A chance encounter with an enigmatic elderly woman, Mrs. Thompson, who is teeming with sagely advice for every quandary Audrey faces, changes the trajectory of Audrey's life.

Carmel’s strength lies in her characterization. Audrey, with her flawed yet endearing persona, is sketched with such depth that one cannot help but root for her. The interactions between Audrey and Mrs. Thompson are beautifully penned, often blurring the lines between a mere conversation and profound life lessons. The dialogue is crisp and laden with meaning, pushing the reader to ponder along with Audrey. Mrs. Thompson, with her repository of wisdom encapsulated in simple yet impactful words, is arguably one of the most memorable mentor figures in contemporary fiction.

The narrative is paced in a way that mirrors the slow, often painstaking process of personal growth. Each chapter adds a layer to Audrey’s understanding of herself and adjusts her perspective on life. This deliberate pacing might not cater to those seeking a thrill per minute but will definitely appeal to those who appreciate a more cerebral, introspective dive into character psyche. Carmel uses the canvas of a simple life story to paint broader themes such as the importance of self-compassion, the power of listening, and the transformative potential of adopting a new viewpoint.

Moreover, the setting of the story, which shifts between the bustling city life and the serene suburbs, compliments the internal shifts occurring within Audrey. The descriptive quality of Carmel's writing comes to the fore as she beautifully contrasts the chaotic city scenes with the tranquil settings of Mrs. Thompson’s neighborhood, perhaps as a metaphor for the internal turmoil and peace that coexist within Audrey.

One of the most compelling aspects of Sage Advice is its universal appeal. While it is primarily Audrey's story, almost every reader will find a piece of themselves within the narrative. Whether it's wrestling with career dissatisfaction, grappling with past mistakes, or the simple, yet profound, struggle of daily living, Carmel touches a chord with varied facets of human life.

However, the book is not without its criticism. Some may find the solutions Mrs. Thompson offers Audrey a bit too simplistic or the resolutions of complex problems a tad expedient. Others might crave more drama or external conflict. But it’s clear that Carmel’s focus is the internal battlefield, which she portrays with finesse and sensitivity. It’s this choice of battleground that sets Sage Advice apart and speaks volumes about the kind of narratives that compel the author.

Critiques aside, Sage Advice offers a reflective, meditative journey brimming with insights that one might find themselves returning to, long after the last page is turned. It is a worthy addition to bookshelves that house other titles exploring themes of personal evolution and philosophical inquiry.

In essence, Sandra Carmel's Sage Advice is a compelling homage to the human condition. It skillfully combines mundane life with mystical wisdom through mesmerizing prose and relatable characters. This book is immensely recommended for those who seek a narrative that provides, not just an escape, but a mirror into their own lives and perhaps, a gentle nudge towards their own sage advice.