Cannon by Nat Logan is a compelling narrative that traces the complex life of its protagonist, John Cannon, through a series of thrilling escapades and introspective moments. The novel is woven with themes of redemption, courage, and the search for identity amidst a chaotic world, making it an enriching read for those who crave both action and depth in their literary choices.

The story begins with John Cannon, a man who lives on the edge of legality and morality. He's not your typical hero; in fact, Logan does an exceptional job of crafting a character who is deeply flawed yet incredibly engaging. As a former soldier turned mercenary, Cannon’s journey takes him around the globe, from the war-torn streets of Eastern Europe to the perilous terrains of South America. What makes Cannon's journey riveting is his internal battle, as he grapples with his past deeds and seeks a form of redemption that seems constantly out of reach.

Logan's writing style is robust and dynamic, with a narrative pace that keeps the reader hooked from the first page to the last. His ability to describe environments and create atmospheres is noteworthy. One can nearly feel the stifling heat of the jungle or the tense coldness of a standoff through Logan’s vivid descriptions. Yet, it's not all about action and suspense. Logan punctuates the novel’s tense sequences with moments of profound dialogue and reflection, which adds a significant layer of depth to the narrative.

A particularly compelling aspect of Cannon is its exploration of the concept of loyalty. Through his interactions with other characters—whether it's his informant in Moscow, his handler in the U.S., or his unlikely allies in Colombia—Cannon is constantly assessing and reassessing his allegiances. This theme is expertly intertwined with the plot, driving it forward and continually raising the stakes. It’s this constant tension and unpredictable alliance that makes the storyline so engaging and thought-provoking.

Another strength of the novel is its supporting characters. Each character introduced by Logan is well fleshed out and adds to the novel's fabric. For example, Maria, a nurse who helps Cannon during one of his missions, provides not just a potential romantic interest but serves as a moral compass for him, presenting a contrast to his often murky ethical landscape. The dynamic between Cannon and Maria is beautifully crafted, filled with tension and mutual respect, which evolves naturally and believably.

However, it is the antagonist of the story that truly stands out. Viktor Korchnoi, a cunning and ruthless arms dealer, is presented not merely as an obstacle to be overcome but as a mirror to Cannon’s own darker instincts. The confrontations between Cannon and Korchnoi are charged with intensity, as both men are clever, resourceful, and driven by complex motives. Logan manages these showdowns with a masterful control of pacing and suspense, making each encounter unpredictable and fraught with danger.

The structure of the novel, with its interlacing of past and present events, offers readers a comprehensive view of Cannon's evolution. This nonlinear narrative can be challenging to follow at times, but it effectively builds a richer backstory for Cannon, allowing the readers to sympathize with him despite his flaws and dubious choices. This narrative choice also exemplifies Logan's willingness to tackle intricate storytelling, a trait that enriches the reading experience.

In conclusion, Cannon by Nat Logan is an enthralling blend of action, psychological depth, and character study. The prose is both sharp and evocative, capturing the essence of each scene and the complexities of its characters. While the plot is packed with all the allure of a thriller, it’s the character development and thematic undercurrents that elevate the novel to a poignant exploration of human nature. For those who enjoy their thrillers with a side of existential musings and richly drawn characters, Cannon is a must-read. The book not only entertains but also invites readers to ponder the deeper questions of what it means to seek redemption and how one defines loyalty and honor in a morally ambiguous world.