: Authors often use it to hint at a narrative driven by fate or unexpected connections. For example, Matt Ridley's book How Innovation Works originally carried the subtitle “Serendipity, Energy, and the Saving of Time,” highlighting how breakthrough inventions often arise from unplanned teamwork and "parallel efforts".

: It taps into the universal human desire for wonder and the "magic" of timing.

"Serendipity" is frequently used to add a layer of whimsy or deeper meaning to a primary title: