Here is an attempt to refine the book cover prompt into a more compelling vision:

Echoes of Betrayal: Unraveling Jacq's Story

See Jacq standing strong, her ebony skin glowing under the dim gym lights. Medium length locs cascade over her shoulders, framing her striking face. Though her stylish workout gear shows skin and curves, her expression is wary, guarded. One hand rests tensely on a gym bag at her feet, half-hidden in shadow. 

In the background, a figure slips out a side door, their face obscured. Jacq's eyes follow them, alight with suspicion, anger...and heartache? There is history here.

The title font should be bold and sophisticated, naming the book: "Echoes of Betrayal: Unraveling Jacq's Story." Below it in a slimmer script, the author: "Surrods Jacq." Both sleek and ominous. 

The scene portrays Jacq as a powerful yet vulnerable heroine, while promising a tale woven with mystery, romance, and drama. shadows and contrasts heighten the intrigue, hinting at relationships, a