This novel invites readers to reflect on the unpredictable nature of life’s pivotal moments, which can occur at any age—whether in one's 30s, 40s, 60s, or beyond. As a slice-of-life drama, "Peace Sign" is particularly resonant for the Boomer generation, those in their 60s and 70s, illustrating that this stage of life still holds vast potential for joy and fulfillment. The narrative underscores the importance of seizing opportunities and continuing to pursue passions, regardless of age. It acknowledges the inevitable regrets that may linger but also emphasizes the enduring ability to enjoy life’s pleasures, from youthful hobbies to adult pursuits.

Crosby masterfully conveys a profound message through the lives of Susan, her friend Cat, and a significant figure named Bill. Their intertwined stories and relationships are both heartwarming and entertaining, offering readers a poignant and humorous look at aging. The author’s engaging portrayal of these characters fosters a sense of acceptance and understanding that aging is a universal experience.

"Peace Sign" stands out for its refreshing approach to depicting the Boomer generation, making it a captivating read filled with meaningful events and interactions. Crosby's narrative encourages readers not to shy away from this stage of life but rather to embrace it with enthusiasm and hope.