In mid-century America, Polynesian-style Tiki bars were a cultural phenomenon and all things Tiki permeated the American psyche.

In his book Tiki Pop, Sven Kirsten describes how Tiki bars and cocktails became a welcome escape for Americans in the 1950s and 1960s.

Kirsten says Tiki represents a clash between modernism and primitivism, which became a uniquely American trend in pop culture.

Produced by the BBC's Regan Morris and Jack Garland

Picture This is a series of video features published every Thursday on the BBC News website which illustrate interviews with authors about their new books.