Play Dead by Harlan Coben

Terrible secrets lead basketball star David Baskin to fake his death while honeymooning in the tropics in this manipulative but otherwise engaging first novel. His bereaved bride, supermodel Laura Ayars, not sure that David's drowning was accidental, starts sleuthing--which proves dangerous when somebody begins killing people who may have the answers she wants. Meanwhile, David, fitted out with a new identity and appearance, tries out for his original team, the Boston Celtics, and ''replaces'' himself at his former position. 

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