3 ideas
The title parable asks how many frogs remain if five sit on a log and four decide to jump: the answer is five, because deciding to jump is not jumping. The book's core claim is that most mergers fail in execution, not in strategy or intent.
Feldman and Spratt argue integration must move fast and decisively, since delay breeds uncertainty, defection, and value leakage. Establishing new leadership, structure, and direction quickly captures momentum before the deal's rationale erodes.
Deals fail when the people dimension (fear, ambiguity, culture clash, talent flight) is neglected in favor of financial mechanics. Communicating relentlessly and retaining key people are treated as decisive execution levers, not soft afterthoughts.